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Finding the Fourth Proportional to 335,075.40, 502,661.70 and 110,397.60

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Solution

The fourth proportional to 335,075.40, 502,661.70 and 110,397.60 is: 165,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,075.40 : 502,661.70 = 110,397.60 : x
  2. Step 2: Convert to fraction form
    335,075.40/502,661.70 = 110,397.60/x
  3. Step 3: Cross multiply
    335,075.40x = 502,661.70 × 110,397.60
  4. Step 4: Simplify right side
    335,075.40x = 55,492,645,291.92
  5. Step 5: Solve for x
    x = 55,492,645,291.92/335,075.40
  6. Step 6: Final answer
    x = 165,612.41

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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.