Home / 346,139.34-477,678.51-203,002.62

Finding the Fourth Proportional to 346,139.34, 477,678.51 and 203,002.62

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Solution

The fourth proportional to 346,139.34, 477,678.51 and 203,002.62 is: 280,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,139.34 : 477,678.51 = 203,002.62 : x
  2. Step 2: Convert to fraction form
    346,139.34/477,678.51 = 203,002.62/x
  3. Step 3: Cross multiply
    346,139.34x = 477,678.51 × 203,002.62
  4. Step 4: Simplify right side
    346,139.34x = 96,969,989,047.70
  5. Step 5: Solve for x
    x = 96,969,989,047.70/346,139.34
  6. Step 6: Final answer
    x = 280,147.26

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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.