Finding the Fourth Proportional to 153,283.19, 229,934.51 and 48,106.31
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Solution
The fourth proportional to 153,283.19, 229,934.51 and 48,106.31 is: 72,162.52
Step by Step Solution
- Step 1: Write the proportion equation
153,283.19 : 229,934.51 = 48,106.31 : x - Step 2: Convert to fraction form
153,283.19/229,934.51 = 48,106.31/x - Step 3: Cross multiply
153,283.19x = 229,934.51 × 48,106.31 - Step 4: Simplify right side
153,283.19x = 11,061,300,577.23 - Step 5: Solve for x
x = 11,061,300,577.23/153,283.19 - Step 6: Final answer
x = 72,162.52
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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.