Finding the Fourth Proportional to 230,473.04, 318,317.62 and 153,858.74
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Solution
The fourth proportional to 230,473.04, 318,317.62 and 153,858.74 is: 212,501.85
Step by Step Solution
- Step 1: Write the proportion equation
230,473.04 : 318,317.62 = 153,858.74 : x - Step 2: Convert to fraction form
230,473.04/318,317.62 = 153,858.74/x - Step 3: Cross multiply
230,473.04x = 318,317.62 × 153,858.74 - Step 4: Simplify right side
230,473.04x = 48,975,947,933.00 - Step 5: Solve for x
x = 48,975,947,933.00/230,473.04 - Step 6: Final answer
x = 212,501.85
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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.