Home / 418,273.16-626,971.12-204,746.64

Finding the Fourth Proportional to 418,273.16, 626,971.12 and 204,746.64

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Solution

The fourth proportional to 418,273.16, 626,971.12 and 204,746.64 is: 306,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,273.16 : 626,971.12 = 204,746.64 : x
  2. Step 2: Convert to fraction form
    418,273.16/626,971.12 = 204,746.64/x
  3. Step 3: Cross multiply
    418,273.16x = 626,971.12 × 204,746.64
  4. Step 4: Simplify right side
    418,273.16x = 128,370,230,197.04
  5. Step 5: Solve for x
    x = 128,370,230,197.04/418,273.16
  6. Step 6: Final answer
    x = 306,905.25

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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.