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Finding the Fourth Proportional to 304,345.80, 456,518.70 and 146,536.20

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Solution

The fourth proportional to 304,345.80, 456,518.70 and 146,536.20 is: 219,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,345.80 : 456,518.70 = 146,536.20 : x
  2. Step 2: Convert to fraction form
    304,345.80/456,518.70 = 146,536.20/x
  3. Step 3: Cross multiply
    304,345.80x = 456,518.70 × 146,536.20
  4. Step 4: Simplify right side
    304,345.80x = 66,896,515,526.94
  5. Step 5: Solve for x
    x = 66,896,515,526.94/304,345.80
  6. Step 6: Final answer
    x = 219,804.30

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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.