Home / 380,004.48-569,822.64-155,275.68

Finding the Fourth Proportional to 380,004.48, 569,822.64 and 155,275.68

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Solution

The fourth proportional to 380,004.48, 569,822.64 and 155,275.68 is: 232,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,004.48 : 569,822.64 = 155,275.68 : x
  2. Step 2: Convert to fraction form
    380,004.48/569,822.64 = 155,275.68/x
  3. Step 3: Cross multiply
    380,004.48x = 569,822.64 × 155,275.68
  4. Step 4: Simplify right side
    380,004.48x = 88,479,597,905.40
  5. Step 5: Solve for x
    x = 88,479,597,905.40/380,004.48
  6. Step 6: Final answer
    x = 232,838.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.