Finding the Fourth Proportional to 148,828.18, 205,376.99 and 88,397.21
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Solution
The fourth proportional to 148,828.18, 205,376.99 and 88,397.21 is: 121,984.65
Step by Step Solution
- Step 1: Write the proportion equation
148,828.18 : 205,376.99 = 88,397.21 : x - Step 2: Convert to fraction form
148,828.18/205,376.99 = 88,397.21/x - Step 3: Cross multiply
148,828.18x = 205,376.99 × 88,397.21 - Step 4: Simplify right side
148,828.18x = 18,154,753,573.87 - Step 5: Solve for x
x = 18,154,753,573.87/148,828.18 - Step 6: Final answer
x = 121,984.65
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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.