Home / 278,088.53-383,763.02-150,764.22

Finding the Fourth Proportional to 278,088.53, 383,763.02 and 150,764.22

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Solution

The fourth proportional to 278,088.53, 383,763.02 and 150,764.22 is: 208,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,088.53 : 383,763.02 = 150,764.22 : x
  2. Step 2: Convert to fraction form
    278,088.53/383,763.02 = 150,764.22/x
  3. Step 3: Cross multiply
    278,088.53x = 383,763.02 × 150,764.22
  4. Step 4: Simplify right side
    278,088.53x = 57,857,731,621.32
  5. Step 5: Solve for x
    x = 57,857,731,621.32/278,088.53
  6. Step 6: Final answer
    x = 208,055.08

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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.