Finding the Fourth Proportional to 315,898.18, 473,555.67 and 157,989.22
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Solution
The fourth proportional to 315,898.18, 473,555.67 and 157,989.22 is: 236,837.99
Step by Step Solution
- Step 1: Write the proportion equation
315,898.18 : 473,555.67 = 157,989.22 : x - Step 2: Convert to fraction form
315,898.18/473,555.67 = 157,989.22/x - Step 3: Cross multiply
315,898.18x = 473,555.67 × 157,989.22 - Step 4: Simplify right side
315,898.18x = 74,816,690,929.88 - Step 5: Solve for x
x = 74,816,690,929.88/315,898.18 - Step 6: Final answer
x = 236,837.99
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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.