Finding the Fourth Proportional to 429,917.90, 644,876.06 and 114,374.80
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Solution
The fourth proportional to 429,917.90, 644,876.06 and 114,374.80 is: 171,561.99
Step by Step Solution
- Step 1: Write the proportion equation
429,917.90 : 644,876.06 = 114,374.80 : x - Step 2: Convert to fraction form
429,917.90/644,876.06 = 114,374.80/x - Step 3: Cross multiply
429,917.90x = 644,876.06 × 114,374.80 - Step 4: Simplify right side
429,917.90x = 73,757,570,387.29 - Step 5: Solve for x
x = 73,757,570,387.29/429,917.90 - Step 6: Final answer
x = 171,561.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.