Finding the Fourth Proportional to 153,243.04, 229,701.84 and 74,248.96
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Solution
The fourth proportional to 153,243.04, 229,701.84 and 74,248.96 is: 111,294.60
Step by Step Solution
- Step 1: Write the proportion equation
153,243.04 : 229,701.84 = 74,248.96 : x - Step 2: Convert to fraction form
153,243.04/229,701.84 = 74,248.96/x - Step 3: Cross multiply
153,243.04x = 229,701.84 × 74,248.96 - Step 4: Simplify right side
153,243.04x = 17,055,122,730.09 - Step 5: Solve for x
x = 17,055,122,730.09/153,243.04 - Step 6: Final answer
x = 111,294.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.