Finding the Fourth Proportional to 159,592.14, 220,237.05 and 86,995.17
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Solution
The fourth proportional to 159,592.14, 220,237.05 and 86,995.17 is: 120,053.28
Step by Step Solution
- Step 1: Write the proportion equation
159,592.14 : 220,237.05 = 86,995.17 : x - Step 2: Convert to fraction form
159,592.14/220,237.05 = 86,995.17/x - Step 3: Cross multiply
159,592.14x = 220,237.05 × 86,995.17 - Step 4: Simplify right side
159,592.14x = 19,159,559,605.05 - Step 5: Solve for x
x = 19,159,559,605.05/159,592.14 - Step 6: Final answer
x = 120,053.28
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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.