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Finding the Fourth Proportional to 317,601, 438,328.26 and 183,465

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Solution

The fourth proportional to 317,601, 438,328.26 and 183,465 is: 253,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,601 : 438,328.26 = 183,465 : x
  2. Step 2: Convert to fraction form
    317,601/438,328.26 = 183,465/x
  3. Step 3: Cross multiply
    317,601x = 438,328.26 × 183,465
  4. Step 4: Simplify right side
    317,601x = 80,417,894,220.90
  5. Step 5: Solve for x
    x = 80,417,894,220.90/317,601
  6. Step 6: Final answer
    x = 253,204.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.