Finding the Fourth Proportional to 133,053.60, 199,252.35 and 88,438.80
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Solution
The fourth proportional to 133,053.60, 199,252.35 and 88,438.80 is: 132,440.15
Step by Step Solution
- Step 1: Write the proportion equation
133,053.60 : 199,252.35 = 88,438.80 : x - Step 2: Convert to fraction form
133,053.60/199,252.35 = 88,438.80/x - Step 3: Cross multiply
133,053.60x = 199,252.35 × 88,438.80 - Step 4: Simplify right side
133,053.60x = 17,621,638,731.18 - Step 5: Solve for x
x = 17,621,638,731.18/133,053.60 - Step 6: Final answer
x = 132,440.15
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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.