Finding the Fourth Proportional to 98,924.10, 148,386.15 and 28,805.70
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Solution
The fourth proportional to 98,924.10, 148,386.15 and 28,805.70 is: 43,208.55
Step by Step Solution
- Step 1: Write the proportion equation
98,924.10 : 148,386.15 = 28,805.70 : x - Step 2: Convert to fraction form
98,924.10/148,386.15 = 28,805.70/x - Step 3: Cross multiply
98,924.10x = 148,386.15 × 28,805.70 - Step 4: Simplify right side
98,924.10x = 4,274,366,921.06 - Step 5: Solve for x
x = 4,274,366,921.06/98,924.10 - Step 6: Final answer
x = 43,208.55
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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.