Finding the Fourth Proportional to 105,502.24, 158,202.33 and 38,973.70
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Solution
The fourth proportional to 105,502.24, 158,202.33 and 38,973.70 is: 58,441.70
Step by Step Solution
- Step 1: Write the proportion equation
105,502.24 : 158,202.33 = 38,973.70 : x - Step 2: Convert to fraction form
105,502.24/158,202.33 = 38,973.70/x - Step 3: Cross multiply
105,502.24x = 158,202.33 × 38,973.70 - Step 4: Simplify right side
105,502.24x = 6,165,730,148.72 - Step 5: Solve for x
x = 6,165,730,148.72/105,502.24 - Step 6: Final answer
x = 58,441.70
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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.