Finding the Fourth Proportional to 253,252.76, 349,506.24 and 145,851.08
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Solution
The fourth proportional to 253,252.76, 349,506.24 and 145,851.08 is: 201,284.53
Step by Step Solution
- Step 1: Write the proportion equation
253,252.76 : 349,506.24 = 145,851.08 : x - Step 2: Convert to fraction form
253,252.76/349,506.24 = 145,851.08/x - Step 3: Cross multiply
253,252.76x = 349,506.24 × 145,851.08 - Step 4: Simplify right side
253,252.76x = 50,975,862,570.74 - Step 5: Solve for x
x = 50,975,862,570.74/253,252.76 - Step 6: Final answer
x = 201,284.53
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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.