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Finding the Fourth Proportional to 304,752.63, 420,561.73 and 183,870.56

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Solution

The fourth proportional to 304,752.63, 420,561.73 and 183,870.56 is: 253,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,752.63 : 420,561.73 = 183,870.56 : x
  2. Step 2: Convert to fraction form
    304,752.63/420,561.73 = 183,870.56/x
  3. Step 3: Cross multiply
    304,752.63x = 420,561.73 × 183,870.56
  4. Step 4: Simplify right side
    304,752.63x = 77,328,920,809.67
  5. Step 5: Solve for x
    x = 77,328,920,809.67/304,752.63
  6. Step 6: Final answer
    x = 253,743.24

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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.