Finding the Fourth Proportional to 291,841.02, 402,740.37 and 157,705.02
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Solution
The fourth proportional to 291,841.02, 402,740.37 and 157,705.02 is: 217,632.80
Step by Step Solution
- Step 1: Write the proportion equation
291,841.02 : 402,740.37 = 157,705.02 : x - Step 2: Convert to fraction form
291,841.02/402,740.37 = 157,705.02/x - Step 3: Cross multiply
291,841.02x = 402,740.37 × 157,705.02 - Step 4: Simplify right side
291,841.02x = 63,514,178,105.66 - Step 5: Solve for x
x = 63,514,178,105.66/291,841.02 - Step 6: Final answer
x = 217,632.80
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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.