Home / 251,220.16-346,337.40-200,405.36

Finding the Fourth Proportional to 251,220.16, 346,337.40 and 200,405.36

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Solution

The fourth proportional to 251,220.16, 346,337.40 and 200,405.36 is: 276,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,220.16 : 346,337.40 = 200,405.36 : x
  2. Step 2: Convert to fraction form
    251,220.16/346,337.40 = 200,405.36/x
  3. Step 3: Cross multiply
    251,220.16x = 346,337.40 × 200,405.36
  4. Step 4: Simplify right side
    251,220.16x = 69,407,871,328.46
  5. Step 5: Solve for x
    x = 69,407,871,328.46/251,220.16
  6. Step 6: Final answer
    x = 276,283.05

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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.