Finding the Fourth Proportional to 155,854.20, 233,435.70 and 62,311.80
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Solution
The fourth proportional to 155,854.20, 233,435.70 and 62,311.80 is: 93,329.53
Step by Step Solution
- Step 1: Write the proportion equation
155,854.20 : 233,435.70 = 62,311.80 : x - Step 2: Convert to fraction form
155,854.20/233,435.70 = 62,311.80/x - Step 3: Cross multiply
155,854.20x = 233,435.70 × 62,311.80 - Step 4: Simplify right side
155,854.20x = 14,545,798,651.26 - Step 5: Solve for x
x = 14,545,798,651.26/155,854.20 - Step 6: Final answer
x = 93,329.53
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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.