Home / 290,450.40-400,756.05-175,726.19

Finding the Fourth Proportional to 290,450.40, 400,756.05 and 175,726.19

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Solution

The fourth proportional to 290,450.40, 400,756.05 and 175,726.19 is: 242,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,450.40 : 400,756.05 = 175,726.19 : x
  2. Step 2: Convert to fraction form
    290,450.40/400,756.05 = 175,726.19/x
  3. Step 3: Cross multiply
    290,450.40x = 400,756.05 × 175,726.19
  4. Step 4: Simplify right side
    290,450.40x = 70,423,333,262.93
  5. Step 5: Solve for x
    x = 70,423,333,262.93/290,450.40
  6. Step 6: Final answer
    x = 242,462.51

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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.