Home / 346,831.12-520,288.32-122,145.08

Finding the Fourth Proportional to 346,831.12, 520,288.32 and 122,145.08

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Solution

The fourth proportional to 346,831.12, 520,288.32 and 122,145.08 is: 183,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,831.12 : 520,288.32 = 122,145.08 : x
  2. Step 2: Convert to fraction form
    346,831.12/520,288.32 = 122,145.08/x
  3. Step 3: Cross multiply
    346,831.12x = 520,288.32 × 122,145.08
  4. Step 4: Simplify right side
    346,831.12x = 63,550,658,469.47
  5. Step 5: Solve for x
    x = 63,550,658,469.47/346,831.12
  6. Step 6: Final answer
    x = 183,232.28

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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.