Finding the Fourth Proportional to 453,953.70, 680,930.55 and 232,769.70
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Solution
The fourth proportional to 453,953.70, 680,930.55 and 232,769.70 is: 349,154.55
Step by Step Solution
- Step 1: Write the proportion equation
453,953.70 : 680,930.55 = 232,769.70 : x - Step 2: Convert to fraction form
453,953.70/680,930.55 = 232,769.70/x - Step 3: Cross multiply
453,953.70x = 680,930.55 × 232,769.70 - Step 4: Simplify right side
453,953.70x = 158,499,999,844.34 - Step 5: Solve for x
x = 158,499,999,844.34/453,953.70 - Step 6: Final answer
x = 349,154.55
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1.5x scale
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.