Finding the Fourth Proportional to 98,763.63, 148,149.66 and 38,805.08
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Solution
The fourth proportional to 98,763.63, 148,149.66 and 38,805.08 is: 58,209.28
Step by Step Solution
- Step 1: Write the proportion equation
98,763.63 : 148,149.66 = 38,805.08 : x - Step 2: Convert to fraction form
98,763.63/148,149.66 = 38,805.08/x - Step 3: Cross multiply
98,763.63x = 148,149.66 × 38,805.08 - Step 4: Simplify right side
98,763.63x = 5,748,959,408.27 - Step 5: Solve for x
x = 5,748,959,408.27/98,763.63 - Step 6: Final answer
x = 58,209.28
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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.