Finding the Fourth Proportional to 282,880.30, 390,374.26 and 162,060.70
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Solution
The fourth proportional to 282,880.30, 390,374.26 and 162,060.70 is: 223,643.45
Step by Step Solution
- Step 1: Write the proportion equation
282,880.30 : 390,374.26 = 162,060.70 : x - Step 2: Convert to fraction form
282,880.30/390,374.26 = 162,060.70/x - Step 3: Cross multiply
282,880.30x = 390,374.26 × 162,060.70 - Step 4: Simplify right side
282,880.30x = 63,264,325,837.58 - Step 5: Solve for x
x = 63,264,325,837.58/282,880.30 - Step 6: Final answer
x = 223,643.45
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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.