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Finding the Fourth Proportional to 487,303.45, 730,316.79 and 234,080.12

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Solution

The fourth proportional to 487,303.45, 730,316.79 and 234,080.12 is: 350,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,303.45 : 730,316.79 = 234,080.12 : x
  2. Step 2: Convert to fraction form
    487,303.45/730,316.79 = 234,080.12/x
  3. Step 3: Cross multiply
    487,303.45x = 730,316.79 × 234,080.12
  4. Step 4: Simplify right side
    487,303.45x = 170,952,639,519.49
  5. Step 5: Solve for x
    x = 170,952,639,519.49/487,303.45
  6. Step 6: Final answer
    x = 350,813.52

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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.