Home / 276,030.48-380,937.06-153,535.80

Finding the Fourth Proportional to 276,030.48, 380,937.06 and 153,535.80

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Solution

The fourth proportional to 276,030.48, 380,937.06 and 153,535.80 is: 211,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,030.48 : 380,937.06 = 153,535.80 : x
  2. Step 2: Convert to fraction form
    276,030.48/380,937.06 = 153,535.80/x
  3. Step 3: Cross multiply
    276,030.48x = 380,937.06 × 153,535.80
  4. Step 4: Simplify right side
    276,030.48x = 58,487,476,256.75
  5. Step 5: Solve for x
    x = 58,487,476,256.75/276,030.48
  6. Step 6: Final answer
    x = 211,887.75

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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.