Finding the Fourth Proportional to 270,691.74, 373,468.73 and 157,492.62
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Solution
The fourth proportional to 270,691.74, 373,468.73 and 157,492.62 is: 217,289.85
Step by Step Solution
- Step 1: Write the proportion equation
270,691.74 : 373,468.73 = 157,492.62 : x - Step 2: Convert to fraction form
270,691.74/373,468.73 = 157,492.62/x - Step 3: Cross multiply
270,691.74x = 373,468.73 × 157,492.62 - Step 4: Simplify right side
270,691.74x = 58,818,567,988.31 - Step 5: Solve for x
x = 58,818,567,988.31/270,691.74 - Step 6: Final answer
x = 217,289.85
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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.