Finding the Fourth Proportional to 98,833.79, 148,265.13 and 28,703.99
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Solution
The fourth proportional to 98,833.79, 148,265.13 and 28,703.99 is: 43,060.18
Step by Step Solution
- Step 1: Write the proportion equation
98,833.79 : 148,265.13 = 28,703.99 : x - Step 2: Convert to fraction form
98,833.79/148,265.13 = 28,703.99/x - Step 3: Cross multiply
98,833.79x = 148,265.13 × 28,703.99 - Step 4: Simplify right side
98,833.79x = 4,255,800,808.87 - Step 5: Solve for x
x = 4,255,800,808.87/98,833.79 - Step 6: Final answer
x = 43,060.18
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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.