Home / 283,128.35-424,561.23-105,587.69

Finding the Fourth Proportional to 283,128.35, 424,561.23 and 105,587.69

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Solution

The fourth proportional to 283,128.35, 424,561.23 and 105,587.69 is: 158,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,128.35 : 424,561.23 = 105,587.69 : x
  2. Step 2: Convert to fraction form
    283,128.35/424,561.23 = 105,587.69/x
  3. Step 3: Cross multiply
    283,128.35x = 424,561.23 × 105,587.69
  4. Step 4: Simplify right side
    283,128.35x = 44,828,439,539.26
  5. Step 5: Solve for x
    x = 44,828,439,539.26/283,128.35
  6. Step 6: Final answer
    x = 158,332.57

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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.