Home / 377,923.95-521,535.02-208,158.08

Finding the Fourth Proportional to 377,923.95, 521,535.02 and 208,158.08

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Solution

The fourth proportional to 377,923.95, 521,535.02 and 208,158.08 is: 287,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,923.95 : 521,535.02 = 208,158.08 : x
  2. Step 2: Convert to fraction form
    377,923.95/521,535.02 = 208,158.08/x
  3. Step 3: Cross multiply
    377,923.95x = 521,535.02 × 208,158.08
  4. Step 4: Simplify right side
    377,923.95x = 108,561,726,328.68
  5. Step 5: Solve for x
    x = 108,561,726,328.68/377,923.95
  6. Step 6: Final answer
    x = 287,258.13

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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.