Home / 387,464.34-581,185.77-103,157.33

Finding the Fourth Proportional to 387,464.34, 581,185.77 and 103,157.33

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Solution

The fourth proportional to 387,464.34, 581,185.77 and 103,157.33 is: 154,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,464.34 : 581,185.77 = 103,157.33 : x
  2. Step 2: Convert to fraction form
    387,464.34/581,185.77 = 103,157.33/x
  3. Step 3: Cross multiply
    387,464.34x = 581,185.77 × 103,157.33
  4. Step 4: Simplify right side
    387,464.34x = 59,953,572,045.91
  5. Step 5: Solve for x
    x = 59,953,572,045.91/387,464.34
  6. Step 6: Final answer
    x = 154,733.14

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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.