Home / 346,465.06-478,108.32-217,472.85

Finding the Fourth Proportional to 346,465.06, 478,108.32 and 217,472.85

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Solution

The fourth proportional to 346,465.06, 478,108.32 and 217,472.85 is: 300,104.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,465.06 : 478,108.32 = 217,472.85 : x
  2. Step 2: Convert to fraction form
    346,465.06/478,108.32 = 217,472.85/x
  3. Step 3: Cross multiply
    346,465.06x = 478,108.32 × 217,472.85
  4. Step 4: Simplify right side
    346,465.06x = 103,975,576,568.57
  5. Step 5: Solve for x
    x = 103,975,576,568.57/346,465.06
  6. Step 6: Final answer
    x = 300,104.08

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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.