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Finding the Fourth Proportional to 313,017.07, 469,471.06 and 144,523.03

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Solution

The fourth proportional to 313,017.07, 469,471.06 and 144,523.03 is: 216,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,017.07 : 469,471.06 = 144,523.03 : x
  2. Step 2: Convert to fraction form
    313,017.07/469,471.06 = 144,523.03/x
  3. Step 3: Cross multiply
    313,017.07x = 469,471.06 × 144,523.03
  4. Step 4: Simplify right side
    313,017.07x = 67,849,380,088.51
  5. Step 5: Solve for x
    x = 67,849,380,088.51/313,017.07
  6. Step 6: Final answer
    x = 216,759.36

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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.