Finding the Fourth Proportional to 578,909.70, 868,118.50 and 237,117.49
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Solution
The fourth proportional to 578,909.70, 868,118.50 and 237,117.49 is: 355,575.45
Step by Step Solution
- Step 1: Write the proportion equation
578,909.70 : 868,118.50 = 237,117.49 : x - Step 2: Convert to fraction form
578,909.70/868,118.50 = 237,117.49/x - Step 3: Cross multiply
578,909.70x = 868,118.50 × 237,117.49 - Step 4: Simplify right side
578,909.70x = 205,846,079,742.57 - Step 5: Solve for x
x = 205,846,079,742.57/578,909.70 - Step 6: Final answer
x = 355,575.45
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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.