Finding the Fourth Proportional to 110,497.60, 165,746.40 and 40,367.80
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Solution
The fourth proportional to 110,497.60, 165,746.40 and 40,367.80 is: 60,551.70
Step by Step Solution
- Step 1: Write the proportion equation
110,497.60 : 165,746.40 = 40,367.80 : x - Step 2: Convert to fraction form
110,497.60/165,746.40 = 40,367.80/x - Step 3: Cross multiply
110,497.60x = 165,746.40 × 40,367.80 - Step 4: Simplify right side
110,497.60x = 6,690,817,525.92 - Step 5: Solve for x
x = 6,690,817,525.92/110,497.60 - Step 6: Final answer
x = 60,551.70
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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.