Home / 369,988.18-510,586.20-217,116.88

Finding the Fourth Proportional to 369,988.18, 510,586.20 and 217,116.88

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Solution

The fourth proportional to 369,988.18, 510,586.20 and 217,116.88 is: 299,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,988.18 : 510,586.20 = 217,116.88 : x
  2. Step 2: Convert to fraction form
    369,988.18/510,586.20 = 217,116.88/x
  3. Step 3: Cross multiply
    369,988.18x = 510,586.20 × 217,116.88
  4. Step 4: Simplify right side
    369,988.18x = 110,856,881,438.59
  5. Step 5: Solve for x
    x = 110,856,881,438.59/369,988.18
  6. Step 6: Final answer
    x = 299,622.77

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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.