Home / 406,025.40-608,970.90-136,150.20

Finding the Fourth Proportional to 406,025.40, 608,970.90 and 136,150.20

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Solution

The fourth proportional to 406,025.40, 608,970.90 and 136,150.20 is: 204,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,025.40 : 608,970.90 = 136,150.20 : x
  2. Step 2: Convert to fraction form
    406,025.40/608,970.90 = 136,150.20/x
  3. Step 3: Cross multiply
    406,025.40x = 608,970.90 × 136,150.20
  4. Step 4: Simplify right side
    406,025.40x = 82,911,509,829.18
  5. Step 5: Solve for x
    x = 82,911,509,829.18/406,025.40
  6. Step 6: Final answer
    x = 204,202.77

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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.