Finding the Fourth Proportional to 275,355.19, 413,032.80 and 97,869.20
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Solution
The fourth proportional to 275,355.19, 413,032.80 and 97,869.20 is: 146,803.81
Step by Step Solution
- Step 1: Write the proportion equation
275,355.19 : 413,032.80 = 97,869.20 : x - Step 2: Convert to fraction form
275,355.19/413,032.80 = 97,869.20/x - Step 3: Cross multiply
275,355.19x = 413,032.80 × 97,869.20 - Step 4: Simplify right side
275,355.19x = 40,423,189,709.76 - Step 5: Solve for x
x = 40,423,189,709.76/275,355.19 - Step 6: Final answer
x = 146,803.81
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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.