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Finding the Fourth Proportional to 369,841.60, 510,395.88 and 216,858.52

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Solution

The fourth proportional to 369,841.60, 510,395.88 and 216,858.52 is: 299,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,841.60 : 510,395.88 = 216,858.52 : x
  2. Step 2: Convert to fraction form
    369,841.60/510,395.88 = 216,858.52/x
  3. Step 3: Cross multiply
    369,841.60x = 510,395.88 × 216,858.52
  4. Step 4: Simplify right side
    369,841.60x = 110,683,695,150.90
  5. Step 5: Solve for x
    x = 110,683,695,150.90/369,841.60
  6. Step 6: Final answer
    x = 299,273.24

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1.5x scale

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.