Finding the Fourth Proportional to 201,924.99, 278,598.51 and 130,345.74
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Solution
The fourth proportional to 201,924.99, 278,598.51 and 130,345.74 is: 179,839.70
Step by Step Solution
- Step 1: Write the proportion equation
201,924.99 : 278,598.51 = 130,345.74 : x - Step 2: Convert to fraction form
201,924.99/278,598.51 = 130,345.74/x - Step 3: Cross multiply
201,924.99x = 278,598.51 × 130,345.74 - Step 4: Simplify right side
201,924.99x = 36,314,128,948.85 - Step 5: Solve for x
x = 36,314,128,948.85/201,924.99 - Step 6: Final answer
x = 179,839.70
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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.