Home / 415,136.08-572,669.55-262,118.98

Finding the Fourth Proportional to 415,136.08, 572,669.55 and 262,118.98

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Solution

The fourth proportional to 415,136.08, 572,669.55 and 262,118.98 is: 361,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,136.08 : 572,669.55 = 262,118.98 : x
  2. Step 2: Convert to fraction form
    415,136.08/572,669.55 = 262,118.98/x
  3. Step 3: Cross multiply
    415,136.08x = 572,669.55 × 262,118.98
  4. Step 4: Simplify right side
    415,136.08x = 150,107,555,459.71
  5. Step 5: Solve for x
    x = 150,107,555,459.71/415,136.08
  6. Step 6: Final answer
    x = 361,586.39

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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.