Finding the Fourth Proportional to 158,397.02, 237,630.99 and 53,213.12
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Solution
The fourth proportional to 158,397.02, 237,630.99 and 53,213.12 is: 79,831.59
Step by Step Solution
- Step 1: Write the proportion equation
158,397.02 : 237,630.99 = 53,213.12 : x - Step 2: Convert to fraction form
158,397.02/237,630.99 = 53,213.12/x - Step 3: Cross multiply
158,397.02x = 237,630.99 × 53,213.12 - Step 4: Simplify right side
158,397.02x = 12,645,086,386.59 - Step 5: Solve for x
x = 12,645,086,386.59/158,397.02 - Step 6: Final answer
x = 79,831.59
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1.5x scale
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.