Finding the Fourth Proportional to 147,130.94, 220,695.35 and 97,433.49
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Solution
The fourth proportional to 147,130.94, 220,695.35 and 97,433.49 is: 146,149.53
Step by Step Solution
- Step 1: Write the proportion equation
147,130.94 : 220,695.35 = 97,433.49 : x - Step 2: Convert to fraction form
147,130.94/220,695.35 = 97,433.49/x - Step 3: Cross multiply
147,130.94x = 220,695.35 × 97,433.49 - Step 4: Simplify right side
147,130.94x = 21,503,118,034.02 - Step 5: Solve for x
x = 21,503,118,034.02/147,130.94 - Step 6: Final answer
x = 146,149.53
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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.