Finding the Fourth Proportional to 146,829.63, 202,607.68 and 86,386.98
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Solution
The fourth proportional to 146,829.63, 202,607.68 and 86,386.98 is: 119,203.91
Step by Step Solution
- Step 1: Write the proportion equation
146,829.63 : 202,607.68 = 86,386.98 : x - Step 2: Convert to fraction form
146,829.63/202,607.68 = 86,386.98/x - Step 3: Cross multiply
146,829.63x = 202,607.68 × 86,386.98 - Step 4: Simplify right side
146,829.63x = 17,502,665,600.01 - Step 5: Solve for x
x = 17,502,665,600.01/146,829.63 - Step 6: Final answer
x = 119,203.91
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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.