Home / 346,522.24-478,204.68-203,284.72

Finding the Fourth Proportional to 346,522.24, 478,204.68 and 203,284.72

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Solution

The fourth proportional to 346,522.24, 478,204.68 and 203,284.72 is: 280,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,522.24 : 478,204.68 = 203,284.72 : x
  2. Step 2: Convert to fraction form
    346,522.24/478,204.68 = 203,284.72/x
  3. Step 3: Cross multiply
    346,522.24x = 478,204.68 × 203,284.72
  4. Step 4: Simplify right side
    346,522.24x = 97,211,704,476.49
  5. Step 5: Solve for x
    x = 97,211,704,476.49/346,522.24
  6. Step 6: Final answer
    x = 280,535.25

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1.5x scale

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.