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Finding the Fourth Proportional to 466,223.66, 699,989.77 and 238,681.80

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Solution

The fourth proportional to 466,223.66, 699,989.77 and 238,681.80 is: 358,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,223.66 : 699,989.77 = 238,681.80 : x
  2. Step 2: Convert to fraction form
    466,223.66/699,989.77 = 238,681.80/x
  3. Step 3: Cross multiply
    466,223.66x = 699,989.77 × 238,681.80
  4. Step 4: Simplify right side
    466,223.66x = 167,074,818,285.19
  5. Step 5: Solve for x
    x = 167,074,818,285.19/466,223.66
  6. Step 6: Final answer
    x = 358,357.66

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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.