Home / 616,988.19-925,502.76-212,176.43

Finding the Fourth Proportional to 616,988.19, 925,502.76 and 212,176.43

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Solution

The fourth proportional to 616,988.19, 925,502.76 and 212,176.43 is: 318,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,988.19 : 925,502.76 = 212,176.43 : x
  2. Step 2: Convert to fraction form
    616,988.19/925,502.76 = 212,176.43/x
  3. Step 3: Cross multiply
    616,988.19x = 925,502.76 × 212,176.43
  4. Step 4: Simplify right side
    616,988.19x = 196,369,866,944.43
  5. Step 5: Solve for x
    x = 196,369,866,944.43/616,988.19
  6. Step 6: Final answer
    x = 318,271.68

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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.