Home / 384,437.48-530,521.62-212,367.29

Finding the Fourth Proportional to 384,437.48, 530,521.62 and 212,367.29

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Solution

The fourth proportional to 384,437.48, 530,521.62 and 212,367.29 is: 293,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,437.48 : 530,521.62 = 212,367.29 : x
  2. Step 2: Convert to fraction form
    384,437.48/530,521.62 = 212,367.29/x
  3. Step 3: Cross multiply
    384,437.48x = 530,521.62 × 212,367.29
  4. Step 4: Simplify right side
    384,437.48x = 112,665,439,255.74
  5. Step 5: Solve for x
    x = 112,665,439,255.74/384,437.48
  6. Step 6: Final answer
    x = 293,065.70

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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.