Home / 259,395.21-358,045.31-152,000.15

Finding the Fourth Proportional to 259,395.21, 358,045.31 and 152,000.15

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Solution

The fourth proportional to 259,395.21, 358,045.31 and 152,000.15 is: 209,807.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,395.21 : 358,045.31 = 152,000.15 : x
  2. Step 2: Convert to fraction form
    259,395.21/358,045.31 = 152,000.15/x
  3. Step 3: Cross multiply
    259,395.21x = 358,045.31 × 152,000.15
  4. Step 4: Simplify right side
    259,395.21x = 54,422,939,416.57
  5. Step 5: Solve for x
    x = 54,422,939,416.57/259,395.21
  6. Step 6: Final answer
    x = 209,807.03

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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.