Finding the Fourth Proportional to 230,077.62, 317,424.96 and 133,228.62
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Solution
The fourth proportional to 230,077.62, 317,424.96 and 133,228.62 is: 183,807.92
Step by Step Solution
- Step 1: Write the proportion equation
230,077.62 : 317,424.96 = 133,228.62 : x - Step 2: Convert to fraction form
230,077.62/317,424.96 = 133,228.62/x - Step 3: Cross multiply
230,077.62x = 317,424.96 × 133,228.62 - Step 4: Simplify right side
230,077.62x = 42,290,089,374.36 - Step 5: Solve for x
x = 42,290,089,374.36/230,077.62 - Step 6: Final answer
x = 183,807.92
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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.