Finding the Fourth Proportional to 346,729.20, 519,805.80 and 147,202.80
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Solution
The fourth proportional to 346,729.20, 519,805.80 and 147,202.80 is: 220,681.93
Step by Step Solution
- Step 1: Write the proportion equation
346,729.20 : 519,805.80 = 147,202.80 : x - Step 2: Convert to fraction form
346,729.20/519,805.80 = 147,202.80/x - Step 3: Cross multiply
346,729.20x = 519,805.80 × 147,202.80 - Step 4: Simplify right side
346,729.20x = 76,516,869,216.24 - Step 5: Solve for x
x = 76,516,869,216.24/346,729.20 - Step 6: Final answer
x = 220,681.93
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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.