Finding the Fourth Proportional to 385,710.70, 578,658.41 and 160,946.09
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Solution
The fourth proportional to 385,710.70, 578,658.41 and 160,946.09 is: 241,457.67
Step by Step Solution
- Step 1: Write the proportion equation
385,710.70 : 578,658.41 = 160,946.09 : x - Step 2: Convert to fraction form
385,710.70/578,658.41 = 160,946.09/x - Step 3: Cross multiply
385,710.70x = 578,658.41 × 160,946.09 - Step 4: Simplify right side
385,710.70x = 93,132,808,535.12 - Step 5: Solve for x
x = 93,132,808,535.12/385,710.70 - Step 6: Final answer
x = 241,457.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.