Home / 319,514.10-479,271.15-97,869.30

Finding the Fourth Proportional to 319,514.10, 479,271.15 and 97,869.30

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Solution

The fourth proportional to 319,514.10, 479,271.15 and 97,869.30 is: 146,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,514.10 : 479,271.15 = 97,869.30 : x
  2. Step 2: Convert to fraction form
    319,514.10/479,271.15 = 97,869.30/x
  3. Step 3: Cross multiply
    319,514.10x = 479,271.15 × 97,869.30
  4. Step 4: Simplify right side
    319,514.10x = 46,905,931,960.70
  5. Step 5: Solve for x
    x = 46,905,931,960.70/319,514.10
  6. Step 6: Final answer
    x = 146,803.95

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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.