Home / 251,458.51-347,002.18-142,570.17

Finding the Fourth Proportional to 251,458.51, 347,002.18 and 142,570.17

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Solution

The fourth proportional to 251,458.51, 347,002.18 and 142,570.17 is: 196,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,458.51 : 347,002.18 = 142,570.17 : x
  2. Step 2: Convert to fraction form
    251,458.51/347,002.18 = 142,570.17/x
  3. Step 3: Cross multiply
    251,458.51x = 347,002.18 × 142,570.17
  4. Step 4: Simplify right side
    251,458.51x = 49,472,159,192.56
  5. Step 5: Solve for x
    x = 49,472,159,192.56/251,458.51
  6. Step 6: Final answer
    x = 196,740.84

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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.