Home / 318,485.04-477,831.24-152,286

Finding the Fourth Proportional to 318,485.04, 477,831.24 and 152,286

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Solution

The fourth proportional to 318,485.04, 477,831.24 and 152,286 is: 228,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,485.04 : 477,831.24 = 152,286 : x
  2. Step 2: Convert to fraction form
    318,485.04/477,831.24 = 152,286/x
  3. Step 3: Cross multiply
    318,485.04x = 477,831.24 × 152,286
  4. Step 4: Simplify right side
    318,485.04x = 72,767,008,214.64
  5. Step 5: Solve for x
    x = 72,767,008,214.64/318,485.04
  6. Step 6: Final answer
    x = 228,478.58

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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.