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Finding the Fourth Proportional to 370,075.65, 555,133.29 and 117,375.33

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Solution

The fourth proportional to 370,075.65, 555,133.29 and 117,375.33 is: 176,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,075.65 : 555,133.29 = 117,375.33 : x
  2. Step 2: Convert to fraction form
    370,075.65/555,133.29 = 117,375.33/x
  3. Step 3: Cross multiply
    370,075.65x = 555,133.29 × 117,375.33
  4. Step 4: Simplify right side
    370,075.65x = 65,158,953,107.74
  5. Step 5: Solve for x
    x = 65,158,953,107.74/370,075.65
  6. Step 6: Final answer
    x = 176,069.28

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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.