Home / 612,246.32-918,344.04-212,977.52

Finding the Fourth Proportional to 612,246.32, 918,344.04 and 212,977.52

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Solution

The fourth proportional to 612,246.32, 918,344.04 and 212,977.52 is: 319,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,246.32 : 918,344.04 = 212,977.52 : x
  2. Step 2: Convert to fraction form
    612,246.32/918,344.04 = 212,977.52/x
  3. Step 3: Cross multiply
    612,246.32x = 918,344.04 × 212,977.52
  4. Step 4: Simplify right side
    612,246.32x = 195,586,636,145.98
  5. Step 5: Solve for x
    x = 195,586,636,145.98/612,246.32
  6. Step 6: Final answer
    x = 319,457.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.