Finding the Fourth Proportional to 272,326.08, 375,781.20 and 151,447.92
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Solution
The fourth proportional to 272,326.08, 375,781.20 and 151,447.92 is: 208,982.12
Step by Step Solution
- Step 1: Write the proportion equation
272,326.08 : 375,781.20 = 151,447.92 : x - Step 2: Convert to fraction form
272,326.08/375,781.20 = 151,447.92/x - Step 3: Cross multiply
272,326.08x = 375,781.20 × 151,447.92 - Step 4: Simplify right side
272,326.08x = 56,911,281,115.10 - Step 5: Solve for x
x = 56,911,281,115.10/272,326.08 - Step 6: Final answer
x = 208,982.12
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1.5x scale
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.