Finding the Fourth Proportional to 146,827.88, 202,605.28 and 86,385.23
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Solution
The fourth proportional to 146,827.88, 202,605.28 and 86,385.23 is: 119,201.50
Step by Step Solution
- Step 1: Write the proportion equation
146,827.88 : 202,605.28 = 86,385.23 : x - Step 2: Convert to fraction form
146,827.88/202,605.28 = 86,385.23/x - Step 3: Cross multiply
146,827.88x = 202,605.28 × 86,385.23 - Step 4: Simplify right side
146,827.88x = 17,502,102,267.06 - Step 5: Solve for x
x = 17,502,102,267.06/146,827.88 - Step 6: Final answer
x = 119,201.50
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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.