Home / 262,369.04-393,581.68-72,830.21

Finding the Fourth Proportional to 262,369.04, 393,581.68 and 72,830.21

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Solution

The fourth proportional to 262,369.04, 393,581.68 and 72,830.21 is: 109,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,369.04 : 393,581.68 = 72,830.21 : x
  2. Step 2: Convert to fraction form
    262,369.04/393,581.68 = 72,830.21/x
  3. Step 3: Cross multiply
    262,369.04x = 393,581.68 × 72,830.21
  4. Step 4: Simplify right side
    262,369.04x = 28,664,634,666.24
  5. Step 5: Solve for x
    x = 28,664,634,666.24/262,369.04
  6. Step 6: Final answer
    x = 109,253.11

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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.