Home / 346,145.60-519,254.85-143,718.71

Finding the Fourth Proportional to 346,145.60, 519,254.85 and 143,718.71

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Solution

The fourth proportional to 346,145.60, 519,254.85 and 143,718.71 is: 215,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,145.60 : 519,254.85 = 143,718.71 : x
  2. Step 2: Convert to fraction form
    346,145.60/519,254.85 = 143,718.71/x
  3. Step 3: Cross multiply
    346,145.60x = 519,254.85 × 143,718.71
  4. Step 4: Simplify right side
    346,145.60x = 74,626,637,203.24
  5. Step 5: Solve for x
    x = 74,626,637,203.24/346,145.60
  6. Step 6: Final answer
    x = 215,593.20

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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.