Home / 290,007.27-434,953.02-97,862.92

Finding the Fourth Proportional to 290,007.27, 434,953.02 and 97,862.92

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Solution

The fourth proportional to 290,007.27, 434,953.02 and 97,862.92 is: 146,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,007.27 : 434,953.02 = 97,862.92 : x
  2. Step 2: Convert to fraction form
    290,007.27/434,953.02 = 97,862.92/x
  3. Step 3: Cross multiply
    290,007.27x = 434,953.02 × 97,862.92
  4. Step 4: Simplify right side
    290,007.27x = 42,565,772,600.02
  5. Step 5: Solve for x
    x = 42,565,772,600.02/290,007.27
  6. Step 6: Final answer
    x = 146,774.85

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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.