Finding the Fourth Proportional to 317,415.66, 438,053.50 and 174,176.08
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Solution
The fourth proportional to 317,415.66, 438,053.50 and 174,176.08 is: 240,373.90
Step by Step Solution
- Step 1: Write the proportion equation
317,415.66 : 438,053.50 = 174,176.08 : x - Step 2: Convert to fraction form
317,415.66/438,053.50 = 174,176.08/x - Step 3: Cross multiply
317,415.66x = 438,053.50 × 174,176.08 - Step 4: Simplify right side
317,415.66x = 76,298,441,460.28 - Step 5: Solve for x
x = 76,298,441,460.28/317,415.66 - Step 6: Final answer
x = 240,373.90
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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.