Home / 380,407.60-570,199.51-247,383.33

Finding the Fourth Proportional to 380,407.60, 570,199.51 and 247,383.33

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Solution

The fourth proportional to 380,407.60, 570,199.51 and 247,383.33 is: 370,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,407.60 : 570,199.51 = 247,383.33 : x
  2. Step 2: Convert to fraction form
    380,407.60/570,199.51 = 247,383.33/x
  3. Step 3: Cross multiply
    380,407.60x = 570,199.51 × 247,383.33
  4. Step 4: Simplify right side
    380,407.60x = 141,057,853,548.17
  5. Step 5: Solve for x
    x = 141,057,853,548.17/380,407.60
  6. Step 6: Final answer
    x = 370,807.14

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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.