Home / 369,330.60-554,433.30-209,533.80

Finding the Fourth Proportional to 369,330.60, 554,433.30 and 209,533.80

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Solution

The fourth proportional to 369,330.60, 554,433.30 and 209,533.80 is: 314,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,330.60 : 554,433.30 = 209,533.80 : x
  2. Step 2: Convert to fraction form
    369,330.60/554,433.30 = 209,533.80/x
  3. Step 3: Cross multiply
    369,330.60x = 554,433.30 × 209,533.80
  4. Step 4: Simplify right side
    369,330.60x = 116,172,516,195.54
  5. Step 5: Solve for x
    x = 116,172,516,195.54/369,330.60
  6. Step 6: Final answer
    x = 314,548.85

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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.