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Finding the Fourth Proportional to 302,792.40, 453,969.90 and 169,713.45

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Solution

The fourth proportional to 302,792.40, 453,969.90 and 169,713.45 is: 254,447.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,792.40 : 453,969.90 = 169,713.45 : x
  2. Step 2: Convert to fraction form
    302,792.40/453,969.90 = 169,713.45/x
  3. Step 3: Cross multiply
    302,792.40x = 453,969.90 × 169,713.45
  4. Step 4: Simplify right side
    302,792.40x = 77,044,797,925.16
  5. Step 5: Solve for x
    x = 77,044,797,925.16/302,792.40
  6. Step 6: Final answer
    x = 254,447.59

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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.