Finding the Fourth Proportional to 429,909.79, 644,863.91 and 114,366.70
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Solution
The fourth proportional to 429,909.79, 644,863.91 and 114,366.70 is: 171,549.84
Step by Step Solution
- Step 1: Write the proportion equation
429,909.79 : 644,863.91 = 114,366.70 : x - Step 2: Convert to fraction form
429,909.79/644,863.91 = 114,366.70/x - Step 3: Cross multiply
429,909.79x = 644,863.91 × 114,366.70 - Step 4: Simplify right side
429,909.79x = 73,750,956,763.96 - Step 5: Solve for x
x = 73,750,956,763.96/429,909.79 - Step 6: Final answer
x = 171,549.84
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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.