Finding the Fourth Proportional to 317,809.24, 438,579.36 and 174,572.48
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Solution
The fourth proportional to 317,809.24, 438,579.36 and 174,572.48 is: 240,911.46
Step by Step Solution
- Step 1: Write the proportion equation
317,809.24 : 438,579.36 = 174,572.48 : x - Step 2: Convert to fraction form
317,809.24/438,579.36 = 174,572.48/x - Step 3: Cross multiply
317,809.24x = 438,579.36 × 174,572.48 - Step 4: Simplify right side
317,809.24x = 76,563,887,648.46 - Step 5: Solve for x
x = 76,563,887,648.46/317,809.24 - Step 6: Final answer
x = 240,911.46
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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.