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Finding the Fourth Proportional to 487,290.48, 730,985.87 and 183,940.14

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Solution

The fourth proportional to 487,290.48, 730,985.87 and 183,940.14 is: 275,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,290.48 : 730,985.87 = 183,940.14 : x
  2. Step 2: Convert to fraction form
    487,290.48/730,985.87 = 183,940.14/x
  3. Step 3: Cross multiply
    487,290.48x = 730,985.87 × 183,940.14
  4. Step 4: Simplify right side
    487,290.48x = 134,457,642,346.12
  5. Step 5: Solve for x
    x = 134,457,642,346.12/487,290.48
  6. Step 6: Final answer
    x = 275,929.14

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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.