Finding the Fourth Proportional to 304,411.57, 420,088.47 and 168,451.24
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Solution
The fourth proportional to 304,411.57, 420,088.47 and 168,451.24 is: 232,462.99
Step by Step Solution
- Step 1: Write the proportion equation
304,411.57 : 420,088.47 = 168,451.24 : x - Step 2: Convert to fraction form
304,411.57/420,088.47 = 168,451.24/x - Step 3: Cross multiply
304,411.57x = 420,088.47 × 168,451.24 - Step 4: Simplify right side
304,411.57x = 70,764,423,681.20 - Step 5: Solve for x
x = 70,764,423,681.20/304,411.57 - Step 6: Final answer
x = 232,462.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.