Finding the Fourth Proportional to 192,557.31, 265,708.65 and 106,502.63
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Solution
The fourth proportional to 192,557.31, 265,708.65 and 106,502.63 is: 146,962.32
Step by Step Solution
- Step 1: Write the proportion equation
192,557.31 : 265,708.65 = 106,502.63 : x - Step 2: Convert to fraction form
192,557.31/265,708.65 = 106,502.63/x - Step 3: Cross multiply
192,557.31x = 265,708.65 × 106,502.63 - Step 4: Simplify right side
192,557.31x = 28,298,668,710.21 - Step 5: Solve for x
x = 28,298,668,710.21/192,557.31 - Step 6: Final answer
x = 146,962.32
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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.