Finding the Fourth Proportional to 318,544.52, 439,582.58 and 180,748.53
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Solution
The fourth proportional to 318,544.52, 439,582.58 and 180,748.53 is: 249,427.95
Step by Step Solution
- Step 1: Write the proportion equation
318,544.52 : 439,582.58 = 180,748.53 : x - Step 2: Convert to fraction form
318,544.52/439,582.58 = 180,748.53/x - Step 3: Cross multiply
318,544.52x = 439,582.58 × 180,748.53 - Step 4: Simplify right side
318,544.52x = 79,453,904,922.67 - Step 5: Solve for x
x = 79,453,904,922.67/318,544.52 - Step 6: Final answer
x = 249,427.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.