Finding the Fourth Proportional to 230,346.80, 317,784.95 and 152,858.99
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Solution
The fourth proportional to 230,346.80, 317,784.95 and 152,858.99 is: 210,883.27
Step by Step Solution
- Step 1: Write the proportion equation
230,346.80 : 317,784.95 = 152,858.99 : x - Step 2: Convert to fraction form
230,346.80/317,784.95 = 152,858.99/x - Step 3: Cross multiply
230,346.80x = 317,784.95 × 152,858.99 - Step 4: Simplify right side
230,346.80x = 48,576,286,494.20 - Step 5: Solve for x
x = 48,576,286,494.20/230,346.80 - Step 6: Final answer
x = 210,883.27
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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.