Finding the Fourth Proportional to 316,757.56, 437,132.50 and 180,788.84
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Solution
The fourth proportional to 316,757.56, 437,132.50 and 180,788.84 is: 249,492.63
Step by Step Solution
- Step 1: Write the proportion equation
316,757.56 : 437,132.50 = 180,788.84 : x - Step 2: Convert to fraction form
316,757.56/437,132.50 = 180,788.84/x - Step 3: Cross multiply
316,757.56x = 437,132.50 × 180,788.84 - Step 4: Simplify right side
316,757.56x = 79,028,677,601.30 - Step 5: Solve for x
x = 79,028,677,601.30/316,757.56 - Step 6: Final answer
x = 249,492.63
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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.