Finding the Fourth Proportional to 94,351.49, 130,206.09 and 51,331.22
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Solution
The fourth proportional to 94,351.49, 130,206.09 and 51,331.22 is: 70,837.65
Step by Step Solution
- Step 1: Write the proportion equation
94,351.49 : 130,206.09 = 51,331.22 : x - Step 2: Convert to fraction form
94,351.49/130,206.09 = 51,331.22/x - Step 3: Cross multiply
94,351.49x = 130,206.09 × 51,331.22 - Step 4: Simplify right side
94,351.49x = 6,683,637,746.91 - Step 5: Solve for x
x = 6,683,637,746.91/94,351.49 - Step 6: Final answer
x = 70,837.65
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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.