Home / 348,035.60-521,362.20-207,376.40

Finding the Fourth Proportional to 348,035.60, 521,362.20 and 207,376.40

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Solution

The fourth proportional to 348,035.60, 521,362.20 and 207,376.40 is: 310,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,035.60 : 521,362.20 = 207,376.40 : x
  2. Step 2: Convert to fraction form
    348,035.60/521,362.20 = 207,376.40/x
  3. Step 3: Cross multiply
    348,035.60x = 521,362.20 × 207,376.40
  4. Step 4: Simplify right side
    348,035.60x = 108,118,216,132.08
  5. Step 5: Solve for x
    x = 108,118,216,132.08/348,035.60
  6. Step 6: Final answer
    x = 310,652.75

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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.