Home / 369,865.17-510,251.40-216,825.66

Finding the Fourth Proportional to 369,865.17, 510,251.40 and 216,825.66

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Solution

The fourth proportional to 369,865.17, 510,251.40 and 216,825.66 is: 299,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,865.17 : 510,251.40 = 216,825.66 : x
  2. Step 2: Convert to fraction form
    369,865.17/510,251.40 = 216,825.66/x
  3. Step 3: Cross multiply
    369,865.17x = 510,251.40 × 216,825.66
  4. Step 4: Simplify right side
    369,865.17x = 110,635,596,570.92
  5. Step 5: Solve for x
    x = 110,635,596,570.92/369,865.17
  6. Step 6: Final answer
    x = 299,124.13

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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.