Finding the Fourth Proportional to 291,856.06, 402,755.99 and 164,531.76
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Solution
The fourth proportional to 291,856.06, 402,755.99 and 164,531.76 is: 227,050.80
Step by Step Solution
- Step 1: Write the proportion equation
291,856.06 : 402,755.99 = 164,531.76 : x - Step 2: Convert to fraction form
291,856.06/402,755.99 = 164,531.76/x - Step 3: Cross multiply
291,856.06x = 402,755.99 × 164,531.76 - Step 4: Simplify right side
291,856.06x = 66,266,151,885.24 - Step 5: Solve for x
x = 66,266,151,885.24/291,856.06 - Step 6: Final answer
x = 227,050.80
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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.