Home / 419,015.63-578,254.70-237,735.20

Finding the Fourth Proportional to 419,015.63, 578,254.70 and 237,735.20

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Solution

The fourth proportional to 419,015.63, 578,254.70 and 237,735.20 is: 328,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,015.63 : 578,254.70 = 237,735.20 : x
  2. Step 2: Convert to fraction form
    419,015.63/578,254.70 = 237,735.20/x
  3. Step 3: Cross multiply
    419,015.63x = 578,254.70 × 237,735.20
  4. Step 4: Simplify right side
    419,015.63x = 137,471,497,012.40
  5. Step 5: Solve for x
    x = 137,471,497,012.40/419,015.63
  6. Step 6: Final answer
    x = 328,082.02

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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.