Home / 346,531.24-478,217.10-203,293.72

Finding the Fourth Proportional to 346,531.24, 478,217.10 and 203,293.72

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Solution

The fourth proportional to 346,531.24, 478,217.10 and 203,293.72 is: 280,547.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,531.24 : 478,217.10 = 203,293.72 : x
  2. Step 2: Convert to fraction form
    346,531.24/478,217.10 = 203,293.72/x
  3. Step 3: Cross multiply
    346,531.24x = 478,217.10 × 203,293.72
  4. Step 4: Simplify right side
    346,531.24x = 97,218,533,226.61
  5. Step 5: Solve for x
    x = 97,218,533,226.61/346,531.24
  6. Step 6: Final answer
    x = 280,547.67

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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.