Finding the Fourth Proportional to 507,751.12, 761,691.48 and 170,647.12
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Solution
The fourth proportional to 507,751.12, 761,691.48 and 170,647.12 is: 255,992.46
Step by Step Solution
- Step 1: Write the proportion equation
507,751.12 : 761,691.48 = 170,647.12 : x - Step 2: Convert to fraction form
507,751.12/761,691.48 = 170,647.12/x - Step 3: Cross multiply
507,751.12x = 761,691.48 × 170,647.12 - Step 4: Simplify right side
507,751.12x = 129,980,457,390.54 - Step 5: Solve for x
x = 129,980,457,390.54/507,751.12 - Step 6: Final answer
x = 255,992.46
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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.