Home / 384,904.61-531,158.93-212,818.04

Finding the Fourth Proportional to 384,904.61, 531,158.93 and 212,818.04

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Solution

The fourth proportional to 384,904.61, 531,158.93 and 212,818.04 is: 293,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,904.61 : 531,158.93 = 212,818.04 : x
  2. Step 2: Convert to fraction form
    384,904.61/531,158.93 = 212,818.04/x
  3. Step 3: Cross multiply
    384,904.61x = 531,158.93 × 212,818.04
  4. Step 4: Simplify right side
    384,904.61x = 113,040,202,411.10
  5. Step 5: Solve for x
    x = 113,040,202,411.10/384,904.61
  6. Step 6: Final answer
    x = 293,683.68

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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.