Finding the Fourth Proportional to 317,811.99, 438,583.16 and 174,575.23
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Solution
The fourth proportional to 317,811.99, 438,583.16 and 174,575.23 is: 240,915.26
Step by Step Solution
- Step 1: Write the proportion equation
317,811.99 : 438,583.16 = 174,575.23 : x - Step 2: Convert to fraction form
317,811.99/438,583.16 = 174,575.23/x - Step 3: Cross multiply
317,811.99x = 438,583.16 × 174,575.23 - Step 4: Simplify right side
317,811.99x = 76,565,756,254.71 - Step 5: Solve for x
x = 76,565,756,254.71/317,811.99 - Step 6: Final answer
x = 240,915.26
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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.