Home / 345,984.16-477,728.40-270,747.04

Finding the Fourth Proportional to 345,984.16, 477,728.40 and 270,747.04

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Solution

The fourth proportional to 345,984.16, 477,728.40 and 270,747.04 is: 373,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,984.16 : 477,728.40 = 270,747.04 : x
  2. Step 2: Convert to fraction form
    345,984.16/477,728.40 = 270,747.04/x
  3. Step 3: Cross multiply
    345,984.16x = 477,728.40 × 270,747.04
  4. Step 4: Simplify right side
    345,984.16x = 129,343,550,223.94
  5. Step 5: Solve for x
    x = 129,343,550,223.94/345,984.16
  6. Step 6: Final answer
    x = 373,842.40

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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.