Home / 384,824.90-530,998.88-215,026.22

Finding the Fourth Proportional to 384,824.90, 530,998.88 and 215,026.22

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Solution

The fourth proportional to 384,824.90, 530,998.88 and 215,026.22 is: 296,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,824.90 : 530,998.88 = 215,026.22 : x
  2. Step 2: Convert to fraction form
    384,824.90/530,998.88 = 215,026.22/x
  3. Step 3: Cross multiply
    384,824.90x = 530,998.88 × 215,026.22
  4. Step 4: Simplify right side
    384,824.90x = 114,178,681,990.63
  5. Step 5: Solve for x
    x = 114,178,681,990.63/384,824.90
  6. Step 6: Final answer
    x = 296,702.95

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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.