Finding the Fourth Proportional to 318,193.36, 439,108.49 and 174,962.64
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Solution
The fourth proportional to 318,193.36, 439,108.49 and 174,962.64 is: 241,449.35
Step by Step Solution
- Step 1: Write the proportion equation
318,193.36 : 439,108.49 = 174,962.64 : x - Step 2: Convert to fraction form
318,193.36/439,108.49 = 174,962.64/x - Step 3: Cross multiply
318,193.36x = 439,108.49 × 174,962.64 - Step 4: Simplify right side
318,193.36x = 76,827,580,656.81 - Step 5: Solve for x
x = 76,827,580,656.81/318,193.36 - Step 6: Final answer
x = 241,449.35
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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.