Home / 549,355-824,037.63-194,429.20

Finding the Fourth Proportional to 549,355, 824,037.63 and 194,429.20

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Solution

The fourth proportional to 549,355, 824,037.63 and 194,429.20 is: 291,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,355 : 824,037.63 = 194,429.20 : x
  2. Step 2: Convert to fraction form
    549,355/824,037.63 = 194,429.20/x
  3. Step 3: Cross multiply
    549,355x = 824,037.63 × 194,429.20
  4. Step 4: Simplify right side
    549,355x = 160,216,977,170.80
  5. Step 5: Solve for x
    x = 160,216,977,170.80/549,355
  6. Step 6: Final answer
    x = 291,645.62

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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.