Home / 302,799.60-454,199.40-144,946.80

Finding the Fourth Proportional to 302,799.60, 454,199.40 and 144,946.80

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Solution

The fourth proportional to 302,799.60, 454,199.40 and 144,946.80 is: 217,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,799.60 : 454,199.40 = 144,946.80 : x
  2. Step 2: Convert to fraction form
    302,799.60/454,199.40 = 144,946.80/x
  3. Step 3: Cross multiply
    302,799.60x = 454,199.40 × 144,946.80
  4. Step 4: Simplify right side
    302,799.60x = 65,834,749,591.92
  5. Step 5: Solve for x
    x = 65,834,749,591.92/302,799.60
  6. Step 6: Final answer
    x = 217,420.20

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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.