Home / 304,548.03-420,271.18-168,579.05

Finding the Fourth Proportional to 304,548.03, 420,271.18 and 168,579.05

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Solution

The fourth proportional to 304,548.03, 420,271.18 and 168,579.05 is: 232,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,548.03 : 420,271.18 = 168,579.05 : x
  2. Step 2: Convert to fraction form
    304,548.03/420,271.18 = 168,579.05/x
  3. Step 3: Cross multiply
    304,548.03x = 420,271.18 × 168,579.05
  4. Step 4: Simplify right side
    304,548.03x = 70,848,913,743.98
  5. Step 5: Solve for x
    x = 70,848,913,743.98/304,548.03
  6. Step 6: Final answer
    x = 232,636.26

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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.