Finding the Fourth Proportional to 284,048.98, 392,129.64 and 176,653.62
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Solution
The fourth proportional to 284,048.98, 392,129.64 and 176,653.62 is: 243,870.33
Step by Step Solution
- Step 1: Write the proportion equation
284,048.98 : 392,129.64 = 176,653.62 : x - Step 2: Convert to fraction form
284,048.98/392,129.64 = 176,653.62/x - Step 3: Cross multiply
284,048.98x = 392,129.64 × 176,653.62 - Step 4: Simplify right side
284,048.98x = 69,271,118,454.65 - Step 5: Solve for x
x = 69,271,118,454.65/284,048.98 - Step 6: Final answer
x = 243,870.33
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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.