Finding the Fourth Proportional to 230,743.84, 318,303.12 and 159,159.28
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Solution
The fourth proportional to 230,743.84, 318,303.12 and 159,159.28 is: 219,554.70
Step by Step Solution
- Step 1: Write the proportion equation
230,743.84 : 318,303.12 = 159,159.28 : x - Step 2: Convert to fraction form
230,743.84/318,303.12 = 159,159.28/x - Step 3: Cross multiply
230,743.84x = 318,303.12 × 159,159.28 - Step 4: Simplify right side
230,743.84x = 50,660,895,400.95 - Step 5: Solve for x
x = 50,660,895,400.95/230,743.84 - Step 6: Final answer
x = 219,554.70
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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.