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Finding the Fourth Proportional to 304,130.80, 456,239.40 and 93,746.80

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Solution

The fourth proportional to 304,130.80, 456,239.40 and 93,746.80 is: 140,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,130.80 : 456,239.40 = 93,746.80 : x
  2. Step 2: Convert to fraction form
    304,130.80/456,239.40 = 93,746.80/x
  3. Step 3: Cross multiply
    304,130.80x = 456,239.40 × 93,746.80
  4. Step 4: Simplify right side
    304,130.80x = 42,770,983,783.92
  5. Step 5: Solve for x
    x = 42,770,983,783.92/304,130.80
  6. Step 6: Final answer
    x = 140,633.52

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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.