Home / 369,131.40-553,668.30-144,448.20

Finding the Fourth Proportional to 369,131.40, 553,668.30 and 144,448.20

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Solution

The fourth proportional to 369,131.40, 553,668.30 and 144,448.20 is: 216,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,131.40 : 553,668.30 = 144,448.20 : x
  2. Step 2: Convert to fraction form
    369,131.40/553,668.30 = 144,448.20/x
  3. Step 3: Cross multiply
    369,131.40x = 553,668.30 × 144,448.20
  4. Step 4: Simplify right side
    369,131.40x = 79,976,389,332.06
  5. Step 5: Solve for x
    x = 79,976,389,332.06/369,131.40
  6. Step 6: Final answer
    x = 216,661.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.