Home / 346,256.20-477,859.80-203,095.18

Finding the Fourth Proportional to 346,256.20, 477,859.80 and 203,095.18

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Solution

The fourth proportional to 346,256.20, 477,859.80 and 203,095.18 is: 280,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,256.20 : 477,859.80 = 203,095.18 : x
  2. Step 2: Convert to fraction form
    346,256.20/477,859.80 = 203,095.18/x
  3. Step 3: Cross multiply
    346,256.20x = 477,859.80 × 203,095.18
  4. Step 4: Simplify right side
    346,256.20x = 97,051,022,095.76
  5. Step 5: Solve for x
    x = 97,051,022,095.76/346,256.20
  6. Step 6: Final answer
    x = 280,286.74

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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.