Home / 384,732.18-530,913.93-212,641.26

Finding the Fourth Proportional to 384,732.18, 530,913.93 and 212,641.26

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Solution

The fourth proportional to 384,732.18, 530,913.93 and 212,641.26 is: 293,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,732.18 : 530,913.93 = 212,641.26 : x
  2. Step 2: Convert to fraction form
    384,732.18/530,913.93 = 212,641.26/x
  3. Step 3: Cross multiply
    384,732.18x = 530,913.93 × 212,641.26
  4. Step 4: Simplify right side
    384,732.18x = 112,894,207,026.75
  5. Step 5: Solve for x
    x = 112,894,207,026.75/384,732.18
  6. Step 6: Final answer
    x = 293,435.83

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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.