Finding the Fourth Proportional to 508,202.70, 761,287.74 and 305,686.95
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Solution
The fourth proportional to 508,202.70, 761,287.74 and 305,686.95 is: 457,919.11
Step by Step Solution
- Step 1: Write the proportion equation
508,202.70 : 761,287.74 = 305,686.95 : x - Step 2: Convert to fraction form
508,202.70/761,287.74 = 305,686.95/x - Step 3: Cross multiply
508,202.70x = 761,287.74 × 305,686.95 - Step 4: Simplify right side
508,202.70x = 232,715,727,312.99 - Step 5: Solve for x
x = 232,715,727,312.99/508,202.70 - Step 6: Final answer
x = 457,919.11
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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.