Home / 346,829.66-478,624.76-203,589.70

Finding the Fourth Proportional to 346,829.66, 478,624.76 and 203,589.70

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Solution

The fourth proportional to 346,829.66, 478,624.76 and 203,589.70 is: 280,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,829.66 : 478,624.76 = 203,589.70 : x
  2. Step 2: Convert to fraction form
    346,829.66/478,624.76 = 203,589.70/x
  3. Step 3: Cross multiply
    346,829.66x = 478,624.76 × 203,589.70
  4. Step 4: Simplify right side
    346,829.66x = 97,443,071,300.97
  5. Step 5: Solve for x
    x = 97,443,071,300.97/346,829.66
  6. Step 6: Final answer
    x = 280,953.69

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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.