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Finding the Fourth Proportional to 304,344.80, 420,130.35 and 181,880.40

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Solution

The fourth proportional to 304,344.80, 420,130.35 and 181,880.40 is: 251,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,344.80 : 420,130.35 = 181,880.40 : x
  2. Step 2: Convert to fraction form
    304,344.80/420,130.35 = 181,880.40/x
  3. Step 3: Cross multiply
    304,344.80x = 420,130.35 × 181,880.40
  4. Step 4: Simplify right side
    304,344.80x = 76,413,476,110.14
  5. Step 5: Solve for x
    x = 76,413,476,110.14/304,344.80
  6. Step 6: Final answer
    x = 251,075.35

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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.