Finding the Fourth Proportional to 211,547.18, 291,892.18 and 125,468.39
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Solution
The fourth proportional to 211,547.18, 291,892.18 and 125,468.39 is: 173,120.92
Step by Step Solution
- Step 1: Write the proportion equation
211,547.18 : 291,892.18 = 125,468.39 : x - Step 2: Convert to fraction form
211,547.18/291,892.18 = 125,468.39/x - Step 3: Cross multiply
211,547.18x = 291,892.18 × 125,468.39 - Step 4: Simplify right side
211,547.18x = 36,623,241,878.19 - Step 5: Solve for x
x = 36,623,241,878.19/211,547.18 - Step 6: Final answer
x = 173,120.92
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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.