Finding the Fourth Proportional to 279,775.58, 419,312.36 and 119,663.60
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Solution
The fourth proportional to 279,775.58, 419,312.36 and 119,663.60 is: 179,345.26
Step by Step Solution
- Step 1: Write the proportion equation
279,775.58 : 419,312.36 = 119,663.60 : x - Step 2: Convert to fraction form
279,775.58/419,312.36 = 119,663.60/x - Step 3: Cross multiply
279,775.58x = 419,312.36 × 119,663.60 - Step 4: Simplify right side
279,775.58x = 50,176,423,827.22 - Step 5: Solve for x
x = 50,176,423,827.22/279,775.58 - Step 6: Final answer
x = 179,345.26
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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.