Finding the Fourth Proportional to 138,206.08, 207,339.36 and 44,710.48
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Solution
The fourth proportional to 138,206.08, 207,339.36 and 44,710.48 is: 67,075.50
Step by Step Solution
- Step 1: Write the proportion equation
138,206.08 : 207,339.36 = 44,710.48 : x - Step 2: Convert to fraction form
138,206.08/207,339.36 = 44,710.48/x - Step 3: Cross multiply
138,206.08x = 207,339.36 × 44,710.48 - Step 4: Simplify right side
138,206.08x = 9,270,242,308.49 - Step 5: Solve for x
x = 9,270,242,308.49/138,206.08 - Step 6: Final answer
x = 67,075.50
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1.5x scale
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.