Finding the Fourth Proportional to 374,909.70, 562,364.55 and 125,591.70
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Solution
The fourth proportional to 374,909.70, 562,364.55 and 125,591.70 is: 188,387.55
Step by Step Solution
- Step 1: Write the proportion equation
374,909.70 : 562,364.55 = 125,591.70 : x - Step 2: Convert to fraction form
374,909.70/562,364.55 = 125,591.70/x - Step 3: Cross multiply
374,909.70x = 562,364.55 × 125,591.70 - Step 4: Simplify right side
374,909.70x = 70,628,319,854.24 - Step 5: Solve for x
x = 70,628,319,854.24/374,909.70 - Step 6: Final answer
x = 188,387.55
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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.