Finding the Fourth Proportional to 459,312.96, 688,982.40 and 126,888.96
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Solution
The fourth proportional to 459,312.96, 688,982.40 and 126,888.96 is: 190,337.02
Step by Step Solution
- Step 1: Write the proportion equation
459,312.96 : 688,982.40 = 126,888.96 : x - Step 2: Convert to fraction form
459,312.96/688,982.40 = 126,888.96/x - Step 3: Cross multiply
459,312.96x = 688,982.40 × 126,888.96 - Step 4: Simplify right side
459,312.96x = 87,424,260,194.30 - Step 5: Solve for x
x = 87,424,260,194.30/459,312.96 - Step 6: Final answer
x = 190,337.02
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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.