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Finding the Fourth Proportional to 387,735.80, 581,365.56 and 150,802.40

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Solution

The fourth proportional to 387,735.80, 581,365.56 and 150,802.40 is: 226,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,735.80 : 581,365.56 = 150,802.40 : x
  2. Step 2: Convert to fraction form
    387,735.80/581,365.56 = 150,802.40/x
  3. Step 3: Cross multiply
    387,735.80x = 581,365.56 × 150,802.40
  4. Step 4: Simplify right side
    387,735.80x = 87,671,321,725.34
  5. Step 5: Solve for x
    x = 87,671,321,725.34/387,735.80
  6. Step 6: Final answer
    x = 226,110.98

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1.5x scale

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.