Finding the Fourth Proportional to 423,940.79, 585,031.63 and 232,950.08
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Solution
The fourth proportional to 423,940.79, 585,031.63 and 232,950.08 is: 321,467.45
Step by Step Solution
- Step 1: Write the proportion equation
423,940.79 : 585,031.63 = 232,950.08 : x - Step 2: Convert to fraction form
423,940.79/585,031.63 = 232,950.08/x - Step 3: Cross multiply
423,940.79x = 585,031.63 × 232,950.08 - Step 4: Simplify right side
423,940.79x = 136,283,165,011.03 - Step 5: Solve for x
x = 136,283,165,011.03/423,940.79 - Step 6: Final answer
x = 321,467.45
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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.