Finding the Fourth Proportional to 170,437.80, 235,221.66 and 102,476.91
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Solution
The fourth proportional to 170,437.80, 235,221.66 and 102,476.91 is: 141,428.66
Step by Step Solution
- Step 1: Write the proportion equation
170,437.80 : 235,221.66 = 102,476.91 : x - Step 2: Convert to fraction form
170,437.80/235,221.66 = 102,476.91/x - Step 3: Cross multiply
170,437.80x = 235,221.66 × 102,476.91 - Step 4: Simplify right side
170,437.80x = 24,104,788,881.87 - Step 5: Solve for x
x = 24,104,788,881.87/170,437.80 - Step 6: Final answer
x = 141,428.66
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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.