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Finding the Fourth Proportional to 304,077.40, 456,116.10 and 154,259.80

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Solution

The fourth proportional to 304,077.40, 456,116.10 and 154,259.80 is: 231,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,077.40 : 456,116.10 = 154,259.80 : x
  2. Step 2: Convert to fraction form
    304,077.40/456,116.10 = 154,259.80/x
  3. Step 3: Cross multiply
    304,077.40x = 456,116.10 × 154,259.80
  4. Step 4: Simplify right side
    304,077.40x = 70,360,378,362.78
  5. Step 5: Solve for x
    x = 70,360,378,362.78/304,077.40
  6. Step 6: Final answer
    x = 231,389.70

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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.