Finding the Fourth Proportional to 318,210.93, 477,001.09 and 149,429.12
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Solution
The fourth proportional to 318,210.93, 477,001.09 and 149,429.12 is: 223,995.62
Step by Step Solution
- Step 1: Write the proportion equation
318,210.93 : 477,001.09 = 149,429.12 : x - Step 2: Convert to fraction form
318,210.93/477,001.09 = 149,429.12/x - Step 3: Cross multiply
318,210.93x = 477,001.09 × 149,429.12 - Step 4: Simplify right side
318,210.93x = 71,277,851,925.24 - Step 5: Solve for x
x = 71,277,851,925.24/318,210.93 - Step 6: Final answer
x = 223,995.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.