Home / 278,946.68-418,598.22-101,436.80

Finding the Fourth Proportional to 278,946.68, 418,598.22 and 101,436.80

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Solution

The fourth proportional to 278,946.68, 418,598.22 and 101,436.80 is: 152,220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,946.68 : 418,598.22 = 101,436.80 : x
  2. Step 2: Convert to fraction form
    278,946.68/418,598.22 = 101,436.80/x
  3. Step 3: Cross multiply
    278,946.68x = 418,598.22 × 101,436.80
  4. Step 4: Simplify right side
    278,946.68x = 42,461,263,922.50
  5. Step 5: Solve for x
    x = 42,461,263,922.50/278,946.68
  6. Step 6: Final answer
    x = 152,220.00

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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.