Home / 348,311.04-480,674.40-203,112.79

Finding the Fourth Proportional to 348,311.04, 480,674.40 and 203,112.79

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Solution

The fourth proportional to 348,311.04, 480,674.40 and 203,112.79 is: 280,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,311.04 : 480,674.40 = 203,112.79 : x
  2. Step 2: Convert to fraction form
    348,311.04/480,674.40 = 203,112.79/x
  3. Step 3: Cross multiply
    348,311.04x = 480,674.40 × 203,112.79
  4. Step 4: Simplify right side
    348,311.04x = 97,631,116,502.22
  5. Step 5: Solve for x
    x = 97,631,116,502.22/348,311.04
  6. Step 6: Final answer
    x = 280,298.66

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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.