Home / 369,869.42-510,443.01-216,851.87

Finding the Fourth Proportional to 369,869.42, 510,443.01 and 216,851.87

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Solution

The fourth proportional to 369,869.42, 510,443.01 and 216,851.87 is: 299,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,869.42 : 510,443.01 = 216,851.87 : x
  2. Step 2: Convert to fraction form
    369,869.42/510,443.01 = 216,851.87/x
  3. Step 3: Cross multiply
    369,869.42x = 510,443.01 × 216,851.87
  4. Step 4: Simplify right side
    369,869.42x = 110,690,518,694.71
  5. Step 5: Solve for x
    x = 110,690,518,694.71/369,869.42
  6. Step 6: Final answer
    x = 299,269.19

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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.