Home / 212,831.68-319,238.28-52,904.23

Finding the Fourth Proportional to 212,831.68, 319,238.28 and 52,904.23

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Solution

The fourth proportional to 212,831.68, 319,238.28 and 52,904.23 is: 79,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,831.68 : 319,238.28 = 52,904.23 : x
  2. Step 2: Convert to fraction form
    212,831.68/319,238.28 = 52,904.23/x
  3. Step 3: Cross multiply
    212,831.68x = 319,238.28 × 52,904.23
  4. Step 4: Simplify right side
    212,831.68x = 16,889,054,724.09
  5. Step 5: Solve for x
    x = 16,889,054,724.09/212,831.68
  6. Step 6: Final answer
    x = 79,354.05

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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.