Home / 346,683.30-520,073.55-136,272.30

Finding the Fourth Proportional to 346,683.30, 520,073.55 and 136,272.30

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Solution

The fourth proportional to 346,683.30, 520,073.55 and 136,272.30 is: 204,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,683.30 : 520,073.55 = 136,272.30 : x
  2. Step 2: Convert to fraction form
    346,683.30/520,073.55 = 136,272.30/x
  3. Step 3: Cross multiply
    346,683.30x = 520,073.55 × 136,272.30
  4. Step 4: Simplify right side
    346,683.30x = 70,871,618,827.67
  5. Step 5: Solve for x
    x = 70,871,618,827.67/346,683.30
  6. Step 6: Final answer
    x = 204,427.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.