Finding the Fourth Proportional to 158,599.18, 218,884.05 and 101,291.14
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Solution
The fourth proportional to 158,599.18, 218,884.05 and 101,291.14 is: 139,792.75
Step by Step Solution
- Step 1: Write the proportion equation
158,599.18 : 218,884.05 = 101,291.14 : x - Step 2: Convert to fraction form
158,599.18/218,884.05 = 101,291.14/x - Step 3: Cross multiply
158,599.18x = 218,884.05 × 101,291.14 - Step 4: Simplify right side
158,599.18x = 22,171,014,952.32 - Step 5: Solve for x
x = 22,171,014,952.32/158,599.18 - Step 6: Final answer
x = 139,792.75
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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.