Finding the Fourth Proportional to 507,195.69, 761,178.99 and 187,649.96
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Solution
The fourth proportional to 507,195.69, 761,178.99 and 187,649.96 is: 281,617.54
Step by Step Solution
- Step 1: Write the proportion equation
507,195.69 : 761,178.99 = 187,649.96 : x - Step 2: Convert to fraction form
507,195.69/761,178.99 = 187,649.96/x - Step 3: Cross multiply
507,195.69x = 761,178.99 × 187,649.96 - Step 4: Simplify right side
507,195.69x = 142,835,203,220.45 - Step 5: Solve for x
x = 142,835,203,220.45/507,195.69 - Step 6: Final answer
x = 281,617.54
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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.