Home / 384,263.17-530,284.65-212,178.26

Finding the Fourth Proportional to 384,263.17, 530,284.65 and 212,178.26

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Solution

The fourth proportional to 384,263.17, 530,284.65 and 212,178.26 is: 292,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,263.17 : 530,284.65 = 212,178.26 : x
  2. Step 2: Convert to fraction form
    384,263.17/530,284.65 = 212,178.26/x
  3. Step 3: Cross multiply
    384,263.17x = 530,284.65 × 212,178.26
  4. Step 4: Simplify right side
    384,263.17x = 112,514,874,341.71
  5. Step 5: Solve for x
    x = 112,514,874,341.71/384,263.17
  6. Step 6: Final answer
    x = 292,806.81

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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.