Finding the Fourth Proportional to 177,643.30, 266,335.35 and 72,408.10
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Solution
The fourth proportional to 177,643.30, 266,335.35 and 72,408.10 is: 108,559.32
Step by Step Solution
- Step 1: Write the proportion equation
177,643.30 : 266,335.35 = 72,408.10 : x - Step 2: Convert to fraction form
177,643.30/266,335.35 = 72,408.10/x - Step 3: Cross multiply
177,643.30x = 266,335.35 × 72,408.10 - Step 4: Simplify right side
177,643.30x = 19,284,836,656.34 - Step 5: Solve for x
x = 19,284,836,656.34/177,643.30 - Step 6: Final answer
x = 108,559.32
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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.