Finding the Fourth Proportional to 276,215.62, 412,298.98 and 255,929.14
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Solution
The fourth proportional to 276,215.62, 412,298.98 and 255,929.14 is: 382,017.95
Step by Step Solution
- Step 1: Write the proportion equation
276,215.62 : 412,298.98 = 255,929.14 : x - Step 2: Convert to fraction form
276,215.62/412,298.98 = 255,929.14/x - Step 3: Cross multiply
276,215.62x = 412,298.98 × 255,929.14 - Step 4: Simplify right side
276,215.62x = 105,519,322,094.63 - Step 5: Solve for x
x = 105,519,322,094.63/276,215.62 - Step 6: Final answer
x = 382,017.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.