Home / 346,543.20-478,237.56-203,406.48

Finding the Fourth Proportional to 346,543.20, 478,237.56 and 203,406.48

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Solution

The fourth proportional to 346,543.20, 478,237.56 and 203,406.48 is: 280,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,543.20 : 478,237.56 = 203,406.48 : x
  2. Step 2: Convert to fraction form
    346,543.20/478,237.56 = 203,406.48/x
  3. Step 3: Cross multiply
    346,543.20x = 478,237.56 × 203,406.48
  4. Step 4: Simplify right side
    346,543.20x = 97,276,618,683.39
  5. Step 5: Solve for x
    x = 97,276,618,683.39/346,543.20
  6. Step 6: Final answer
    x = 280,705.61

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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.