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Finding the Fourth Proportional to 328,058.90, 452,711.40 and 184,815.80

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Solution

The fourth proportional to 328,058.90, 452,711.40 and 184,815.80 is: 255,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,058.90 : 452,711.40 = 184,815.80 : x
  2. Step 2: Convert to fraction form
    328,058.90/452,711.40 = 184,815.80/x
  3. Step 3: Cross multiply
    328,058.90x = 452,711.40 × 184,815.80
  4. Step 4: Simplify right side
    328,058.90x = 83,668,219,560.12
  5. Step 5: Solve for x
    x = 83,668,219,560.12/328,058.90
  6. Step 6: Final answer
    x = 255,040.24

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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.