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Finding the Fourth Proportional to 299,889.60, 413,779.44 and 179,070

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Solution

The fourth proportional to 299,889.60, 413,779.44 and 179,070 is: 247,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,889.60 : 413,779.44 = 179,070 : x
  2. Step 2: Convert to fraction form
    299,889.60/413,779.44 = 179,070/x
  3. Step 3: Cross multiply
    299,889.60x = 413,779.44 × 179,070
  4. Step 4: Simplify right side
    299,889.60x = 74,095,484,320.80
  5. Step 5: Solve for x
    x = 74,095,484,320.80/299,889.60
  6. Step 6: Final answer
    x = 247,075.87

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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.