Home / 286,461.04-429,721.32-136,676.08

Finding the Fourth Proportional to 286,461.04, 429,721.32 and 136,676.08

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Solution

The fourth proportional to 286,461.04, 429,721.32 and 136,676.08 is: 205,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,461.04 : 429,721.32 = 136,676.08 : x
  2. Step 2: Convert to fraction form
    286,461.04/429,721.32 = 136,676.08/x
  3. Step 3: Cross multiply
    286,461.04x = 429,721.32 × 136,676.08
  4. Step 4: Simplify right side
    286,461.04x = 58,732,625,510.03
  5. Step 5: Solve for x
    x = 58,732,625,510.03/286,461.04
  6. Step 6: Final answer
    x = 205,028.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.