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Finding the Fourth Proportional to 308,746.98, 462,373.01 and 213,710.88

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Solution

The fourth proportional to 308,746.98, 462,373.01 and 213,710.88 is: 320,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,746.98 : 462,373.01 = 213,710.88 : x
  2. Step 2: Convert to fraction form
    308,746.98/462,373.01 = 213,710.88/x
  3. Step 3: Cross multiply
    308,746.98x = 462,373.01 × 213,710.88
  4. Step 4: Simplify right side
    308,746.98x = 98,814,142,855.35
  5. Step 5: Solve for x
    x = 98,814,142,855.35/308,746.98
  6. Step 6: Final answer
    x = 320,048.94

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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.