Finding the Fourth Proportional to 375,659, 563,488.50 and 126,341
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Solution
The fourth proportional to 375,659, 563,488.50 and 126,341 is: 189,511.50
Step by Step Solution
- Step 1: Write the proportion equation
375,659 : 563,488.50 = 126,341 : x - Step 2: Convert to fraction form
375,659/563,488.50 = 126,341/x - Step 3: Cross multiply
375,659x = 563,488.50 × 126,341 - Step 4: Simplify right side
375,659x = 71,191,700,578.50 - Step 5: Solve for x
x = 71,191,700,578.50/375,659 - Step 6: Final answer
x = 189,511.50
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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.