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Finding the Fourth Proportional to 343,089.42, 473,463.54 and 208,953.42

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Solution

The fourth proportional to 343,089.42, 473,463.54 and 208,953.42 is: 288,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,089.42 : 473,463.54 = 208,953.42 : x
  2. Step 2: Convert to fraction form
    343,089.42/473,463.54 = 208,953.42/x
  3. Step 3: Cross multiply
    343,089.42x = 473,463.54 × 208,953.42
  4. Step 4: Simplify right side
    343,089.42x = 98,931,825,928.31
  5. Step 5: Solve for x
    x = 98,931,825,928.31/343,089.42
  6. Step 6: Final answer
    x = 288,355.81

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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.