Finding the Fourth Proportional to 282,479.23, 423,719.54 and 69,248.08
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Solution
The fourth proportional to 282,479.23, 423,719.54 and 69,248.08 is: 103,872.28
Step by Step Solution
- Step 1: Write the proportion equation
282,479.23 : 423,719.54 = 69,248.08 : x - Step 2: Convert to fraction form
282,479.23/423,719.54 = 69,248.08/x - Step 3: Cross multiply
282,479.23x = 423,719.54 × 69,248.08 - Step 4: Simplify right side
282,479.23x = 29,341,762,138.65 - Step 5: Solve for x
x = 29,341,762,138.65/282,479.23 - Step 6: Final answer
x = 103,872.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.