Finding the Fourth Proportional to 153,809.93, 212,226.00 and 88,386.10
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Solution
The fourth proportional to 153,809.93, 212,226.00 and 88,386.10 is: 121,954.60
Step by Step Solution
- Step 1: Write the proportion equation
153,809.93 : 212,226.00 = 88,386.10 : x - Step 2: Convert to fraction form
153,809.93/212,226.00 = 88,386.10/x - Step 3: Cross multiply
153,809.93x = 212,226.00 × 88,386.10 - Step 4: Simplify right side
153,809.93x = 18,757,828,381.20 - Step 5: Solve for x
x = 18,757,828,381.20/153,809.93 - Step 6: Final answer
x = 121,954.60
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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.