Finding the Fourth Proportional to 276,746.79, 381,911.27 and 160,482.80
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Solution
The fourth proportional to 276,746.79, 381,911.27 and 160,482.80 is: 221,466.66
Step by Step Solution
- Step 1: Write the proportion equation
276,746.79 : 381,911.27 = 160,482.80 : x - Step 2: Convert to fraction form
276,746.79/381,911.27 = 160,482.80/x - Step 3: Cross multiply
276,746.79x = 381,911.27 × 160,482.80 - Step 4: Simplify right side
276,746.79x = 61,290,189,537.41 - Step 5: Solve for x
x = 61,290,189,537.41/276,746.79 - Step 6: Final answer
x = 221,466.66
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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.