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Finding the Fourth Proportional to 343,417.08, 473,919.48 and 190,458.30

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Solution

The fourth proportional to 343,417.08, 473,919.48 and 190,458.30 is: 262,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,417.08 : 473,919.48 = 190,458.30 : x
  2. Step 2: Convert to fraction form
    343,417.08/473,919.48 = 190,458.30/x
  3. Step 3: Cross multiply
    343,417.08x = 473,919.48 × 190,458.30
  4. Step 4: Simplify right side
    343,417.08x = 90,261,898,497.68
  5. Step 5: Solve for x
    x = 90,261,898,497.68/343,417.08
  6. Step 6: Final answer
    x = 262,834.62

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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.