Home / 237,817.51-328,185.74-130,387.31

Finding the Fourth Proportional to 237,817.51, 328,185.74 and 130,387.31

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Solution

The fourth proportional to 237,817.51, 328,185.74 and 130,387.31 is: 179,933.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,817.51 : 328,185.74 = 130,387.31 : x
  2. Step 2: Convert to fraction form
    237,817.51/328,185.74 = 130,387.31/x
  3. Step 3: Cross multiply
    237,817.51x = 328,185.74 × 130,387.31
  4. Step 4: Simplify right side
    237,817.51x = 42,791,255,818.96
  5. Step 5: Solve for x
    x = 42,791,255,818.96/237,817.51
  6. Step 6: Final answer
    x = 179,933.16

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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.