Finding the Fourth Proportional to 146,848.88, 202,647.52 and 86,423.09
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Solution
The fourth proportional to 146,848.88, 202,647.52 and 86,423.09 is: 119,261.54
Step by Step Solution
- Step 1: Write the proportion equation
146,848.88 : 202,647.52 = 86,423.09 : x - Step 2: Convert to fraction form
146,848.88/202,647.52 = 86,423.09/x - Step 3: Cross multiply
146,848.88x = 202,647.52 × 86,423.09 - Step 4: Simplify right side
146,848.88x = 17,513,423,954.03 - Step 5: Solve for x
x = 17,513,423,954.03/146,848.88 - Step 6: Final answer
x = 119,261.54
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1.5x scale
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.