Finding the Fourth Proportional to 351,159.60, 526,739.40 and 322,129.20
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Solution
The fourth proportional to 351,159.60, 526,739.40 and 322,129.20 is: 483,193.80
Step by Step Solution
- Step 1: Write the proportion equation
351,159.60 : 526,739.40 = 322,129.20 : x - Step 2: Convert to fraction form
351,159.60/526,739.40 = 322,129.20/x - Step 3: Cross multiply
351,159.60x = 526,739.40 × 322,129.20 - Step 4: Simplify right side
351,159.60x = 169,678,141,530.48 - Step 5: Solve for x
x = 169,678,141,530.48/351,159.60 - Step 6: Final answer
x = 483,193.80
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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.