Home / 286,731.56-395,690.03-159,407.16

Finding the Fourth Proportional to 286,731.56, 395,690.03 and 159,407.16

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Solution

The fourth proportional to 286,731.56, 395,690.03 and 159,407.16 is: 219,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,731.56 : 395,690.03 = 159,407.16 : x
  2. Step 2: Convert to fraction form
    286,731.56/395,690.03 = 159,407.16/x
  3. Step 3: Cross multiply
    286,731.56x = 395,690.03 × 159,407.16
  4. Step 4: Simplify right side
    286,731.56x = 63,075,822,239.52
  5. Step 5: Solve for x
    x = 63,075,822,239.52/286,731.56
  6. Step 6: Final answer
    x = 219,982.14

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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.