Home / 347,713.40-521,570.10-170,334.20

Finding the Fourth Proportional to 347,713.40, 521,570.10 and 170,334.20

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Solution

The fourth proportional to 347,713.40, 521,570.10 and 170,334.20 is: 255,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,713.40 : 521,570.10 = 170,334.20 : x
  2. Step 2: Convert to fraction form
    347,713.40/521,570.10 = 170,334.20/x
  3. Step 3: Cross multiply
    347,713.40x = 521,570.10 × 170,334.20
  4. Step 4: Simplify right side
    347,713.40x = 88,841,225,727.42
  5. Step 5: Solve for x
    x = 88,841,225,727.42/347,713.40
  6. Step 6: Final answer
    x = 255,501.30

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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.