Finding the Fourth Proportional to 276,614.84, 381,776.28 and 160,312.08
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Solution
The fourth proportional to 276,614.84, 381,776.28 and 160,312.08 is: 221,258.37
Step by Step Solution
- Step 1: Write the proportion equation
276,614.84 : 381,776.28 = 160,312.08 : x - Step 2: Convert to fraction form
276,614.84/381,776.28 = 160,312.08/x - Step 3: Cross multiply
276,614.84x = 381,776.28 × 160,312.08 - Step 4: Simplify right side
276,614.84x = 61,203,349,541.46 - Step 5: Solve for x
x = 61,203,349,541.46/276,614.84 - Step 6: Final answer
x = 221,258.37
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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.