Home / 348,831.60-523,247.40-345,145.20

Finding the Fourth Proportional to 348,831.60, 523,247.40 and 345,145.20

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Solution

The fourth proportional to 348,831.60, 523,247.40 and 345,145.20 is: 517,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,831.60 : 523,247.40 = 345,145.20 : x
  2. Step 2: Convert to fraction form
    348,831.60/523,247.40 = 345,145.20/x
  3. Step 3: Cross multiply
    348,831.60x = 523,247.40 × 345,145.20
  4. Step 4: Simplify right side
    348,831.60x = 180,596,328,522.48
  5. Step 5: Solve for x
    x = 180,596,328,522.48/348,831.60
  6. Step 6: Final answer
    x = 517,717.80

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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.