Finding the Fourth Proportional to 158,233.83, 218,354.23 and 86,599.99
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Solution
The fourth proportional to 158,233.83, 218,354.23 and 86,599.99 is: 119,503.36
Step by Step Solution
- Step 1: Write the proportion equation
158,233.83 : 218,354.23 = 86,599.99 : x - Step 2: Convert to fraction form
158,233.83/218,354.23 = 86,599.99/x - Step 3: Cross multiply
158,233.83x = 218,354.23 × 86,599.99 - Step 4: Simplify right side
158,233.83x = 18,909,473,701.46 - Step 5: Solve for x
x = 18,909,473,701.46/158,233.83 - Step 6: Final answer
x = 119,503.36
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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.