Home / 437,187.03-655,513.40-209,552.30

Finding the Fourth Proportional to 437,187.03, 655,513.40 and 209,552.30

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Solution

The fourth proportional to 437,187.03, 655,513.40 and 209,552.30 is: 314,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,187.03 : 655,513.40 = 209,552.30 : x
  2. Step 2: Convert to fraction form
    437,187.03/655,513.40 = 209,552.30/x
  3. Step 3: Cross multiply
    437,187.03x = 655,513.40 × 209,552.30
  4. Step 4: Simplify right side
    437,187.03x = 137,364,340,355.31
  5. Step 5: Solve for x
    x = 137,364,340,355.31/437,187.03
  6. Step 6: Final answer
    x = 314,200.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.