Home / 287,075.58-396,161.17-158,011.26

Finding the Fourth Proportional to 287,075.58, 396,161.17 and 158,011.26

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Solution

The fourth proportional to 287,075.58, 396,161.17 and 158,011.26 is: 218,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,075.58 : 396,161.17 = 158,011.26 : x
  2. Step 2: Convert to fraction form
    287,075.58/396,161.17 = 158,011.26/x
  3. Step 3: Cross multiply
    287,075.58x = 396,161.17 × 158,011.26
  4. Step 4: Simplify right side
    287,075.58x = 62,597,925,634.77
  5. Step 5: Solve for x
    x = 62,597,925,634.77/287,075.58
  6. Step 6: Final answer
    x = 218,053.82

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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.