Finding the Fourth Proportional to 276,952.62, 381,746.88 and 216,418.08
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Solution
The fourth proportional to 276,952.62, 381,746.88 and 216,418.08 is: 298,307.08
Step by Step Solution
- Step 1: Write the proportion equation
276,952.62 : 381,746.88 = 216,418.08 : x - Step 2: Convert to fraction form
276,952.62/381,746.88 = 216,418.08/x - Step 3: Cross multiply
276,952.62x = 381,746.88 × 216,418.08 - Step 4: Simplify right side
276,952.62x = 82,616,926,815.59 - Step 5: Solve for x
x = 82,616,926,815.59/276,952.62 - Step 6: Final answer
x = 298,307.08
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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.