Finding the Fourth Proportional to 158,430.62, 237,645.70 and 53,323.40
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Solution
The fourth proportional to 158,430.62, 237,645.70 and 53,323.40 is: 79,985.02
Step by Step Solution
- Step 1: Write the proportion equation
158,430.62 : 237,645.70 = 53,323.40 : x - Step 2: Convert to fraction form
158,430.62/237,645.70 = 53,323.40/x - Step 3: Cross multiply
158,430.62x = 237,645.70 × 53,323.40 - Step 4: Simplify right side
158,430.62x = 12,672,077,180.19 - Step 5: Solve for x
x = 12,672,077,180.19/158,430.62 - Step 6: Final answer
x = 79,985.02
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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.