Home / 346,926.28-478,838.34-225,856.84

Finding the Fourth Proportional to 346,926.28, 478,838.34 and 225,856.84

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Solution

The fourth proportional to 346,926.28, 478,838.34 and 225,856.84 is: 311,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,926.28 : 478,838.34 = 225,856.84 : x
  2. Step 2: Convert to fraction form
    346,926.28/478,838.34 = 225,856.84/x
  3. Step 3: Cross multiply
    346,926.28x = 478,838.34 × 225,856.84
  4. Step 4: Simplify right side
    346,926.28x = 108,148,914,343.25
  5. Step 5: Solve for x
    x = 108,148,914,343.25/346,926.28
  6. Step 6: Final answer
    x = 311,734.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.