Home / 205,434.10-307,546.35-153,075.70

Finding the Fourth Proportional to 205,434.10, 307,546.35 and 153,075.70

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Solution

The fourth proportional to 205,434.10, 307,546.35 and 153,075.70 is: 229,162.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,434.10 : 307,546.35 = 153,075.70 : x
  2. Step 2: Convert to fraction form
    205,434.10/307,546.35 = 153,075.70/x
  3. Step 3: Cross multiply
    205,434.10x = 307,546.35 × 153,075.70
  4. Step 4: Simplify right side
    205,434.10x = 47,077,872,808.70
  5. Step 5: Solve for x
    x = 47,077,872,808.70/205,434.10
  6. Step 6: Final answer
    x = 229,162.89

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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.