Finding the Fourth Proportional to 457,898.68, 686,089.85 and 158,212.70
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Solution
The fourth proportional to 457,898.68, 686,089.85 and 158,212.70 is: 237,057.09
Step by Step Solution
- Step 1: Write the proportion equation
457,898.68 : 686,089.85 = 158,212.70 : x - Step 2: Convert to fraction form
457,898.68/686,089.85 = 158,212.70/x - Step 3: Cross multiply
457,898.68x = 686,089.85 × 158,212.70 - Step 4: Simplify right side
457,898.68x = 108,548,126,852.37 - Step 5: Solve for x
x = 108,548,126,852.37/457,898.68 - Step 6: Final answer
x = 237,057.09
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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.