Home / 279,264.51-385,394.63-151,944.93

Finding the Fourth Proportional to 279,264.51, 385,394.63 and 151,944.93

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Solution

The fourth proportional to 279,264.51, 385,394.63 and 151,944.93 is: 209,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,264.51 : 385,394.63 = 151,944.93 : x
  2. Step 2: Convert to fraction form
    279,264.51/385,394.63 = 151,944.93/x
  3. Step 3: Cross multiply
    279,264.51x = 385,394.63 × 151,944.93
  4. Step 4: Simplify right side
    279,264.51x = 58,558,759,318.00
  5. Step 5: Solve for x
    x = 58,558,759,318.00/279,264.51
  6. Step 6: Final answer
    x = 209,689.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.