Home / 380,349.68-570,114.28-247,325.36

Finding the Fourth Proportional to 380,349.68, 570,114.28 and 247,325.36

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Solution

The fourth proportional to 380,349.68, 570,114.28 and 247,325.36 is: 370,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,349.68 : 570,114.28 = 247,325.36 : x
  2. Step 2: Convert to fraction form
    380,349.68/570,114.28 = 247,325.36/x
  3. Step 3: Cross multiply
    380,349.68x = 570,114.28 × 247,325.36
  4. Step 4: Simplify right side
    380,349.68x = 141,003,719,542.14
  5. Step 5: Solve for x
    x = 141,003,719,542.14/380,349.68
  6. Step 6: Final answer
    x = 370,721.28

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1.5x scale

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.