Finding the Fourth Proportional to 163,471.65, 245,058.93 and 145,756.95
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Solution
The fourth proportional to 163,471.65, 245,058.93 and 145,756.95 is: 218,502.98
Step by Step Solution
- Step 1: Write the proportion equation
163,471.65 : 245,058.93 = 145,756.95 : x - Step 2: Convert to fraction form
163,471.65/245,058.93 = 145,756.95/x - Step 3: Cross multiply
163,471.65x = 245,058.93 × 145,756.95 - Step 4: Simplify right side
163,471.65x = 35,719,042,207.06 - Step 5: Solve for x
x = 35,719,042,207.06/163,471.65 - Step 6: Final answer
x = 218,502.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.