Home / 436,006.04-653,727.90-208,178.42

Finding the Fourth Proportional to 436,006.04, 653,727.90 and 208,178.42

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Solution

The fourth proportional to 436,006.04, 653,727.90 and 208,178.42 is: 312,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,006.04 : 653,727.90 = 208,178.42 : x
  2. Step 2: Convert to fraction form
    436,006.04/653,727.90 = 208,178.42/x
  3. Step 3: Cross multiply
    436,006.04x = 653,727.90 × 208,178.42
  4. Step 4: Simplify right side
    436,006.04x = 136,092,041,331.92
  5. Step 5: Solve for x
    x = 136,092,041,331.92/436,006.04
  6. Step 6: Final answer
    x = 312,133.39

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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.