Home / 346,146.04-477,725.34-200,920.78

Finding the Fourth Proportional to 346,146.04, 477,725.34 and 200,920.78

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Solution

The fourth proportional to 346,146.04, 477,725.34 and 200,920.78 is: 277,296.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,146.04 : 477,725.34 = 200,920.78 : x
  2. Step 2: Convert to fraction form
    346,146.04/477,725.34 = 200,920.78/x
  3. Step 3: Cross multiply
    346,146.04x = 477,725.34 × 200,920.78
  4. Step 4: Simplify right side
    346,146.04x = 95,984,947,938.57
  5. Step 5: Solve for x
    x = 95,984,947,938.57/346,146.04
  6. Step 6: Final answer
    x = 277,296.10

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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.