Finding the Fourth Proportional to 158,641.74, 237,963.42 and 53,461.62
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Solution
The fourth proportional to 158,641.74, 237,963.42 and 53,461.62 is: 80,192.70
Step by Step Solution
- Step 1: Write the proportion equation
158,641.74 : 237,963.42 = 53,461.62 : x - Step 2: Convert to fraction form
158,641.74/237,963.42 = 53,461.62/x - Step 3: Cross multiply
158,641.74x = 237,963.42 × 53,461.62 - Step 4: Simplify right side
158,641.74x = 12,721,909,933.94 - Step 5: Solve for x
x = 12,721,909,933.94/158,641.74 - Step 6: Final answer
x = 80,192.70
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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.