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Finding the Fourth Proportional to 335,068.83, 502,602.26 and 135,386.89

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Solution

The fourth proportional to 335,068.83, 502,602.26 and 135,386.89 is: 203,079.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,068.83 : 502,602.26 = 135,386.89 : x
  2. Step 2: Convert to fraction form
    335,068.83/502,602.26 = 135,386.89/x
  3. Step 3: Cross multiply
    335,068.83x = 502,602.26 × 135,386.89
  4. Step 4: Simplify right side
    335,068.83x = 68,045,756,888.37
  5. Step 5: Solve for x
    x = 68,045,756,888.37/335,068.83
  6. Step 6: Final answer
    x = 203,079.94

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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.