Finding the Fourth Proportional to 508,102.81, 701,131.35 and 293,312.08
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Solution
The fourth proportional to 508,102.81, 701,131.35 and 293,312.08 is: 404,741.50
Step by Step Solution
- Step 1: Write the proportion equation
508,102.81 : 701,131.35 = 293,312.08 : x - Step 2: Convert to fraction form
508,102.81/701,131.35 = 293,312.08/x - Step 3: Cross multiply
508,102.81x = 701,131.35 × 293,312.08 - Step 4: Simplify right side
508,102.81x = 205,650,294,621.71 - Step 5: Solve for x
x = 205,650,294,621.71/508,102.81 - Step 6: Final answer
x = 404,741.50
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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.