Home / 290,623.02-435,922.58-101,126.76

Finding the Fourth Proportional to 290,623.02, 435,922.58 and 101,126.76

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Solution

The fourth proportional to 290,623.02, 435,922.58 and 101,126.76 is: 151,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,623.02 : 435,922.58 = 101,126.76 : x
  2. Step 2: Convert to fraction form
    290,623.02/435,922.58 = 101,126.76/x
  3. Step 3: Cross multiply
    290,623.02x = 435,922.58 × 101,126.76
  4. Step 4: Simplify right side
    290,623.02x = 44,083,437,620.61
  5. Step 5: Solve for x
    x = 44,083,437,620.61/290,623.02
  6. Step 6: Final answer
    x = 151,685.98

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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.