Finding the Fourth Proportional to 145,862.79, 218,833.08 and 52,369.35
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Solution
The fourth proportional to 145,862.79, 218,833.08 and 52,369.35 is: 78,567.99
Step by Step Solution
- Step 1: Write the proportion equation
145,862.79 : 218,833.08 = 52,369.35 : x - Step 2: Convert to fraction form
145,862.79/218,833.08 = 52,369.35/x - Step 3: Cross multiply
145,862.79x = 218,833.08 × 52,369.35 - Step 4: Simplify right side
145,862.79x = 11,460,146,158.10 - Step 5: Solve for x
x = 11,460,146,158.10/145,862.79 - Step 6: Final answer
x = 78,567.99
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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.