Finding the Fourth Proportional to 353,256.10, 487,246.41 and 232,358.74
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Solution
The fourth proportional to 353,256.10, 487,246.41 and 232,358.74 is: 320,492.59
Step by Step Solution
- Step 1: Write the proportion equation
353,256.10 : 487,246.41 = 232,358.74 : x - Step 2: Convert to fraction form
353,256.10/487,246.41 = 232,358.74/x - Step 3: Cross multiply
353,256.10x = 487,246.41 × 232,358.74 - Step 4: Simplify right side
353,256.10x = 113,215,961,897.12 - Step 5: Solve for x
x = 113,215,961,897.12/353,256.10 - Step 6: Final answer
x = 320,492.59
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1.5x scale
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.