Home / 387,795.51-581,688.91-151,304.26

Finding the Fourth Proportional to 387,795.51, 581,688.91 and 151,304.26

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Solution

The fourth proportional to 387,795.51, 581,688.91 and 151,304.26 is: 226,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,795.51 : 581,688.91 = 151,304.26 : x
  2. Step 2: Convert to fraction form
    387,795.51/581,688.91 = 151,304.26/x
  3. Step 3: Cross multiply
    387,795.51x = 581,688.91 × 151,304.26
  4. Step 4: Simplify right side
    387,795.51x = 88,012,010,077.76
  5. Step 5: Solve for x
    x = 88,012,010,077.76/387,795.51
  6. Step 6: Final answer
    x = 226,954.69

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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.