Finding the Fourth Proportional to 291,418.67, 402,047.21 and 176,655.47
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Solution
The fourth proportional to 291,418.67, 402,047.21 and 176,655.47 is: 243,717.53
Step by Step Solution
- Step 1: Write the proportion equation
291,418.67 : 402,047.21 = 176,655.47 : x - Step 2: Convert to fraction form
291,418.67/402,047.21 = 176,655.47/x - Step 3: Cross multiply
291,418.67x = 402,047.21 × 176,655.47 - Step 4: Simplify right side
291,418.67x = 71,023,835,951.23 - Step 5: Solve for x
x = 71,023,835,951.23/291,418.67 - Step 6: Final answer
x = 243,717.53
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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.