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Finding the Fourth Proportional to 286,442.04, 429,559.38 and 136,676.28

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Solution

The fourth proportional to 286,442.04, 429,559.38 and 136,676.28 is: 204,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,442.04 : 429,559.38 = 136,676.28 : x
  2. Step 2: Convert to fraction form
    286,442.04/429,559.38 = 136,676.28/x
  3. Step 3: Cross multiply
    286,442.04x = 429,559.38 × 136,676.28
  4. Step 4: Simplify right side
    286,442.04x = 58,710,578,097.51
  5. Step 5: Solve for x
    x = 58,710,578,097.51/286,442.04
  6. Step 6: Final answer
    x = 204,964.95

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1.5x scale

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.