Finding the Fourth Proportional to 279,153.99, 418,477.56 and 101,535.42
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Solution
The fourth proportional to 279,153.99, 418,477.56 and 101,535.42 is: 152,210.95
Step by Step Solution
- Step 1: Write the proportion equation
279,153.99 : 418,477.56 = 101,535.42 : x - Step 2: Convert to fraction form
279,153.99/418,477.56 = 101,535.42/x - Step 3: Cross multiply
279,153.99x = 418,477.56 × 101,535.42 - Step 4: Simplify right side
279,153.99x = 42,490,294,815.18 - Step 5: Solve for x
x = 42,490,294,815.18/279,153.99 - Step 6: Final answer
x = 152,210.95
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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.