Finding the Fourth Proportional to 146,827.48, 202,661.94 and 86,417.50
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Solution
The fourth proportional to 146,827.48, 202,661.94 and 86,417.50 is: 119,279.70
Step by Step Solution
- Step 1: Write the proportion equation
146,827.48 : 202,661.94 = 86,417.50 : x - Step 2: Convert to fraction form
146,827.48/202,661.94 = 86,417.50/x - Step 3: Cross multiply
146,827.48x = 202,661.94 × 86,417.50 - Step 4: Simplify right side
146,827.48x = 17,513,538,199.95 - Step 5: Solve for x
x = 17,513,538,199.95/146,827.48 - Step 6: Final answer
x = 119,279.70
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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.