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Finding the Fourth Proportional to 343,472.09, 473,443.79 and 270,756.41

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Solution

The fourth proportional to 343,472.09, 473,443.79 and 270,756.41 is: 373,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,472.09 : 473,443.79 = 270,756.41 : x
  2. Step 2: Convert to fraction form
    343,472.09/473,443.79 = 270,756.41/x
  3. Step 3: Cross multiply
    343,472.09x = 473,443.79 × 270,756.41
  4. Step 4: Simplify right side
    343,472.09x = 128,187,937,196.19
  5. Step 5: Solve for x
    x = 128,187,937,196.19/343,472.09
  6. Step 6: Final answer
    x = 373,212.10

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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.