Finding the Fourth Proportional to 258,281.49, 356,425.79 and 147,885.49
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Solution
The fourth proportional to 258,281.49, 356,425.79 and 147,885.49 is: 204,080.45
Step by Step Solution
- Step 1: Write the proportion equation
258,281.49 : 356,425.79 = 147,885.49 : x - Step 2: Convert to fraction form
258,281.49/356,425.79 = 147,885.49/x - Step 3: Cross multiply
258,281.49x = 356,425.79 × 147,885.49 - Step 4: Simplify right side
258,281.49x = 52,710,202,602.79 - Step 5: Solve for x
x = 52,710,202,602.79/258,281.49 - Step 6: Final answer
x = 204,080.45
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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.