Home / 353,315.64-487,575.18-202,413.24

Finding the Fourth Proportional to 353,315.64, 487,575.18 and 202,413.24

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Solution

The fourth proportional to 353,315.64, 487,575.18 and 202,413.24 is: 279,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,315.64 : 487,575.18 = 202,413.24 : x
  2. Step 2: Convert to fraction form
    353,315.64/487,575.18 = 202,413.24/x
  3. Step 3: Cross multiply
    353,315.64x = 487,575.18 × 202,413.24
  4. Step 4: Simplify right side
    353,315.64x = 98,691,671,927.38
  5. Step 5: Solve for x
    x = 98,691,671,927.38/353,315.64
  6. Step 6: Final answer
    x = 279,330.04

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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.