Finding the Fourth Proportional to 318,060.12, 438,900.48 and 174,829.44
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Solution
The fourth proportional to 318,060.12, 438,900.48 and 174,829.44 is: 241,252.27
Step by Step Solution
- Step 1: Write the proportion equation
318,060.12 : 438,900.48 = 174,829.44 : x - Step 2: Convert to fraction form
318,060.12/438,900.48 = 174,829.44/x - Step 3: Cross multiply
318,060.12x = 438,900.48 × 174,829.44 - Step 4: Simplify right side
318,060.12x = 76,732,725,134.13 - Step 5: Solve for x
x = 76,732,725,134.13/318,060.12 - Step 6: Final answer
x = 241,252.27
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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.