Home / 282,827.44-390,309.26-153,774.59

Finding the Fourth Proportional to 282,827.44, 390,309.26 and 153,774.59

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Solution

The fourth proportional to 282,827.44, 390,309.26 and 153,774.59 is: 212,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,827.44 : 390,309.26 = 153,774.59 : x
  2. Step 2: Convert to fraction form
    282,827.44/390,309.26 = 153,774.59/x
  3. Step 3: Cross multiply
    282,827.44x = 390,309.26 × 153,774.59
  4. Step 4: Simplify right side
    282,827.44x = 60,019,646,636.60
  5. Step 5: Solve for x
    x = 60,019,646,636.60/282,827.44
  6. Step 6: Final answer
    x = 212,212.96

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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.