Finding the Fourth Proportional to 98,916.96, 148,312.99 and 54,574.62
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Solution
The fourth proportional to 98,916.96, 148,312.99 and 54,574.62 is: 81,827.47
Step by Step Solution
- Step 1: Write the proportion equation
98,916.96 : 148,312.99 = 54,574.62 : x - Step 2: Convert to fraction form
98,916.96/148,312.99 = 54,574.62/x - Step 3: Cross multiply
98,916.96x = 148,312.99 × 54,574.62 - Step 4: Simplify right side
98,916.96x = 8,094,125,070.31 - Step 5: Solve for x
x = 8,094,125,070.31/98,916.96 - Step 6: Final answer
x = 81,827.47
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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.