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Finding the Fourth Proportional to 343,275.21, 514,242.45 and 163,104.21

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Solution

The fourth proportional to 343,275.21, 514,242.45 and 163,104.21 is: 244,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,275.21 : 514,242.45 = 163,104.21 : x
  2. Step 2: Convert to fraction form
    343,275.21/514,242.45 = 163,104.21/x
  3. Step 3: Cross multiply
    343,275.21x = 514,242.45 × 163,104.21
  4. Step 4: Simplify right side
    343,275.21x = 83,875,108,555.71
  5. Step 5: Solve for x
    x = 83,875,108,555.71/343,275.21
  6. Step 6: Final answer
    x = 244,337.80

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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.