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Finding the Fourth Proportional to 443,810, 612,457.80 and 242,607.44

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Solution

The fourth proportional to 443,810, 612,457.80 and 242,607.44 is: 334,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,810 : 612,457.80 = 242,607.44 : x
  2. Step 2: Convert to fraction form
    443,810/612,457.80 = 242,607.44/x
  3. Step 3: Cross multiply
    443,810x = 612,457.80 × 242,607.44
  4. Step 4: Simplify right side
    443,810x = 148,586,818,966.03
  5. Step 5: Solve for x
    x = 148,586,818,966.03/443,810
  6. Step 6: Final answer
    x = 334,798.27

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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.