Home / 237,816.51-328,184.36-130,386.31

Finding the Fourth Proportional to 237,816.51, 328,184.36 and 130,386.31

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Solution

The fourth proportional to 237,816.51, 328,184.36 and 130,386.31 is: 179,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,816.51 : 328,184.36 = 130,386.31 : x
  2. Step 2: Convert to fraction form
    237,816.51/328,184.36 = 130,386.31/x
  3. Step 3: Cross multiply
    237,816.51x = 328,184.36 × 130,386.31
  4. Step 4: Simplify right side
    237,816.51x = 42,790,746,716.67
  5. Step 5: Solve for x
    x = 42,790,746,716.67/237,816.51
  6. Step 6: Final answer
    x = 179,931.78

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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.