Home / 384,723.63-530,902.11-212,632.71

Finding the Fourth Proportional to 384,723.63, 530,902.11 and 212,632.71

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Solution

The fourth proportional to 384,723.63, 530,902.11 and 212,632.71 is: 293,424.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,723.63 : 530,902.11 = 212,632.71 : x
  2. Step 2: Convert to fraction form
    384,723.63/530,902.11 = 212,632.71/x
  3. Step 3: Cross multiply
    384,723.63x = 530,902.11 × 212,632.71
  4. Step 4: Simplify right side
    384,723.63x = 112,887,154,394.02
  5. Step 5: Solve for x
    x = 112,887,154,394.02/384,723.63
  6. Step 6: Final answer
    x = 293,424.02

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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.