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Finding the Fourth Proportional to 350,476.54, 483,646.08 and 221,483.94

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Solution

The fourth proportional to 350,476.54, 483,646.08 and 221,483.94 is: 305,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,476.54 : 483,646.08 = 221,483.94 : x
  2. Step 2: Convert to fraction form
    350,476.54/483,646.08 = 221,483.94/x
  3. Step 3: Cross multiply
    350,476.54x = 483,646.08 × 221,483.94
  4. Step 4: Simplify right side
    350,476.54x = 107,119,838,154.84
  5. Step 5: Solve for x
    x = 107,119,838,154.84/350,476.54
  6. Step 6: Final answer
    x = 305,640.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.