Home / 549,357-824,040.64-194,431.20

Finding the Fourth Proportional to 549,357, 824,040.64 and 194,431.20

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Solution

The fourth proportional to 549,357, 824,040.64 and 194,431.20 is: 291,648.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,357 : 824,040.64 = 194,431.20 : x
  2. Step 2: Convert to fraction form
    549,357/824,040.64 = 194,431.20/x
  3. Step 3: Cross multiply
    549,357x = 824,040.64 × 194,431.20
  4. Step 4: Simplify right side
    549,357x = 160,219,210,483.97
  5. Step 5: Solve for x
    x = 160,219,210,483.97/549,357
  6. Step 6: Final answer
    x = 291,648.62

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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.