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Finding the Fourth Proportional to 359,701.37, 496,535.69 and 245,357.45

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Solution

The fourth proportional to 359,701.37, 496,535.69 and 245,357.45 is: 338,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,701.37 : 496,535.69 = 245,357.45 : x
  2. Step 2: Convert to fraction form
    359,701.37/496,535.69 = 245,357.45/x
  3. Step 3: Cross multiply
    359,701.37x = 496,535.69 × 245,357.45
  4. Step 4: Simplify right side
    359,701.37x = 121,828,728,863.11
  5. Step 5: Solve for x
    x = 121,828,728,863.11/359,701.37
  6. Step 6: Final answer
    x = 338,694.10

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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.