Home / 215,422.12-296,973.84-151,561.72

Finding the Fourth Proportional to 215,422.12, 296,973.84 and 151,561.72

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Solution

The fourth proportional to 215,422.12, 296,973.84 and 151,561.72 is: 208,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,422.12 : 296,973.84 = 151,561.72 : x
  2. Step 2: Convert to fraction form
    215,422.12/296,973.84 = 151,561.72/x
  3. Step 3: Cross multiply
    215,422.12x = 296,973.84 × 151,561.72
  4. Step 4: Simplify right side
    215,422.12x = 45,009,865,985.40
  5. Step 5: Solve for x
    x = 45,009,865,985.40/215,422.12
  6. Step 6: Final answer
    x = 208,938.00

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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.