Finding the Fourth Proportional to 145,992.79, 201,483.98 and 88,618.95
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Solution
The fourth proportional to 145,992.79, 201,483.98 and 88,618.95 is: 122,302.61
Step by Step Solution
- Step 1: Write the proportion equation
145,992.79 : 201,483.98 = 88,618.95 : x - Step 2: Convert to fraction form
145,992.79/201,483.98 = 88,618.95/x - Step 3: Cross multiply
145,992.79x = 201,483.98 × 88,618.95 - Step 4: Simplify right side
145,992.79x = 17,855,298,604.55 - Step 5: Solve for x
x = 17,855,298,604.55/145,992.79 - Step 6: Final answer
x = 122,302.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.