Finding the Fourth Proportional to 177,693.36, 245,058.04 and 147,430.74
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Solution
The fourth proportional to 177,693.36, 245,058.04 and 147,430.74 is: 203,322.67
Step by Step Solution
- Step 1: Write the proportion equation
177,693.36 : 245,058.04 = 147,430.74 : x - Step 2: Convert to fraction form
177,693.36/245,058.04 = 147,430.74/x - Step 3: Cross multiply
177,693.36x = 245,058.04 × 147,430.74 - Step 4: Simplify right side
177,693.36x = 36,129,088,180.15 - Step 5: Solve for x
x = 36,129,088,180.15/177,693.36 - Step 6: Final answer
x = 203,322.67
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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.