Finding the Fourth Proportional to 499,656.62, 749,477.95 and 120,574.19
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Solution
The fourth proportional to 499,656.62, 749,477.95 and 120,574.19 is: 180,859.60
Step by Step Solution
- Step 1: Write the proportion equation
499,656.62 : 749,477.95 = 120,574.19 : x - Step 2: Convert to fraction form
499,656.62/749,477.95 = 120,574.19/x - Step 3: Cross multiply
499,656.62x = 749,477.95 × 120,574.19 - Step 4: Simplify right side
499,656.62x = 90,367,698,316.37 - Step 5: Solve for x
x = 90,367,698,316.37/499,656.62 - Step 6: Final answer
x = 180,859.60
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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.