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Finding the Fourth Proportional to 385,403.04, 577,482.48 and 237,348

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Solution

The fourth proportional to 385,403.04, 577,482.48 and 237,348 is: 355,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,403.04 : 577,482.48 = 237,348 : x
  2. Step 2: Convert to fraction form
    385,403.04/577,482.48 = 237,348/x
  3. Step 3: Cross multiply
    385,403.04x = 577,482.48 × 237,348
  4. Step 4: Simplify right side
    385,403.04x = 137,064,311,663.04
  5. Step 5: Solve for x
    x = 137,064,311,663.04/385,403.04
  6. Step 6: Final answer
    x = 355,638.90

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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.