Home / 290,280.36-435,455.02-177,908.52

Finding the Fourth Proportional to 290,280.36, 435,455.02 and 177,908.52

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Solution

The fourth proportional to 290,280.36, 435,455.02 and 177,908.52 is: 266,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,280.36 : 435,455.02 = 177,908.52 : x
  2. Step 2: Convert to fraction form
    290,280.36/435,455.02 = 177,908.52/x
  3. Step 3: Cross multiply
    290,280.36x = 435,455.02 × 177,908.52
  4. Step 4: Simplify right side
    290,280.36x = 77,471,158,134.77
  5. Step 5: Solve for x
    x = 77,471,158,134.77/290,280.36
  6. Step 6: Final answer
    x = 266,883.91

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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.