Home / 283,393.04-391,064.67-156,068.64

Finding the Fourth Proportional to 283,393.04, 391,064.67 and 156,068.64

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Solution

The fourth proportional to 283,393.04, 391,064.67 and 156,068.64 is: 215,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,393.04 : 391,064.67 = 156,068.64 : x
  2. Step 2: Convert to fraction form
    283,393.04/391,064.67 = 156,068.64/x
  3. Step 3: Cross multiply
    283,393.04x = 391,064.67 × 156,068.64
  4. Step 4: Simplify right side
    283,393.04x = 61,032,931,198.95
  5. Step 5: Solve for x
    x = 61,032,931,198.95/283,393.04
  6. Step 6: Final answer
    x = 215,364.96

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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.