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Finding the Fourth Proportional to 304,054.80, 456,082.20 and 262,582.80

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Solution

The fourth proportional to 304,054.80, 456,082.20 and 262,582.80 is: 393,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,054.80 : 456,082.20 = 262,582.80 : x
  2. Step 2: Convert to fraction form
    304,054.80/456,082.20 = 262,582.80/x
  3. Step 3: Cross multiply
    304,054.80x = 456,082.20 × 262,582.80
  4. Step 4: Simplify right side
    304,054.80x = 119,759,341,106.16
  5. Step 5: Solve for x
    x = 119,759,341,106.16/304,054.80
  6. Step 6: Final answer
    x = 393,874.20

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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.