Home / 348,015.60-522,023.40-305,161.20

Finding the Fourth Proportional to 348,015.60, 522,023.40 and 305,161.20

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Solution

The fourth proportional to 348,015.60, 522,023.40 and 305,161.20 is: 457,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,015.60 : 522,023.40 = 305,161.20 : x
  2. Step 2: Convert to fraction form
    348,015.60/522,023.40 = 305,161.20/x
  3. Step 3: Cross multiply
    348,015.60x = 522,023.40 × 305,161.20
  4. Step 4: Simplify right side
    348,015.60x = 159,301,287,172.08
  5. Step 5: Solve for x
    x = 159,301,287,172.08/348,015.60
  6. Step 6: Final answer
    x = 457,741.80

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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.