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Finding the Fourth Proportional to 300,031.27, 413,848.06 and 192,430.87

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Solution

The fourth proportional to 300,031.27, 413,848.06 and 192,430.87 is: 265,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,031.27 : 413,848.06 = 192,430.87 : x
  2. Step 2: Convert to fraction form
    300,031.27/413,848.06 = 192,430.87/x
  3. Step 3: Cross multiply
    300,031.27x = 413,848.06 × 192,430.87
  4. Step 4: Simplify right side
    300,031.27x = 79,637,140,717.91
  5. Step 5: Solve for x
    x = 79,637,140,717.91/300,031.27
  6. Step 6: Final answer
    x = 265,429.47

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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.