Finding the Fourth Proportional to 201,319.08, 302,011.38 and 74,959.80
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Solution
The fourth proportional to 201,319.08, 302,011.38 and 74,959.80 is: 112,451.90
Step by Step Solution
- Step 1: Write the proportion equation
201,319.08 : 302,011.38 = 74,959.80 : x - Step 2: Convert to fraction form
201,319.08/302,011.38 = 74,959.80/x - Step 3: Cross multiply
201,319.08x = 302,011.38 × 74,959.80 - Step 4: Simplify right side
201,319.08x = 22,638,712,642.52 - Step 5: Solve for x
x = 22,638,712,642.52/201,319.08 - Step 6: Final answer
x = 112,451.90
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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.