Finding the Fourth Proportional to 353,328.48, 487,432.49 and 210,007.08
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Solution
The fourth proportional to 353,328.48, 487,432.49 and 210,007.08 is: 289,714.19
Step by Step Solution
- Step 1: Write the proportion equation
353,328.48 : 487,432.49 = 210,007.08 : x - Step 2: Convert to fraction form
353,328.48/487,432.49 = 210,007.08/x - Step 3: Cross multiply
353,328.48x = 487,432.49 × 210,007.08 - Step 4: Simplify right side
353,328.48x = 102,364,272,871.99 - Step 5: Solve for x
x = 102,364,272,871.99/353,328.48 - Step 6: Final answer
x = 289,714.19
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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.