Home / 490,784.63-736,186.17-153,817.82

Finding the Fourth Proportional to 490,784.63, 736,186.17 and 153,817.82

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Solution

The fourth proportional to 490,784.63, 736,186.17 and 153,817.82 is: 230,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,784.63 : 736,186.17 = 153,817.82 : x
  2. Step 2: Convert to fraction form
    490,784.63/736,186.17 = 153,817.82/x
  3. Step 3: Cross multiply
    490,784.63x = 736,186.17 × 153,817.82
  4. Step 4: Simplify right side
    490,784.63x = 113,238,550,574.91
  5. Step 5: Solve for x
    x = 113,238,550,574.91/490,784.63
  6. Step 6: Final answer
    x = 230,729.62

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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.