Finding the Fourth Proportional to 557,491.92, 769,347.08 and 302,848.08
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Solution
The fourth proportional to 557,491.92, 769,347.08 and 302,848.08 is: 417,934.82
Step by Step Solution
- Step 1: Write the proportion equation
557,491.92 : 769,347.08 = 302,848.08 : x - Step 2: Convert to fraction form
557,491.92/769,347.08 = 302,848.08/x - Step 3: Cross multiply
557,491.92x = 769,347.08 × 302,848.08 - Step 4: Simplify right side
557,491.92x = 232,995,286,031.61 - Step 5: Solve for x
x = 232,995,286,031.61/557,491.92 - Step 6: Final answer
x = 417,934.82
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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.