Finding the Fourth Proportional to 211,746.79, 316,097.05 and 181,434.62
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Solution
The fourth proportional to 211,746.79, 316,097.05 and 181,434.62 is: 270,846.84
Step by Step Solution
- Step 1: Write the proportion equation
211,746.79 : 316,097.05 = 181,434.62 : x - Step 2: Convert to fraction form
211,746.79/316,097.05 = 181,434.62/x - Step 3: Cross multiply
211,746.79x = 316,097.05 × 181,434.62 - Step 4: Simplify right side
211,746.79x = 57,350,948,149.87 - Step 5: Solve for x
x = 57,350,948,149.87/211,746.79 - Step 6: Final answer
x = 270,846.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.