Finding the Fourth Proportional to 507,129.76, 761,080.11 and 187,583.95
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Solution
The fourth proportional to 507,129.76, 761,080.11 and 187,583.95 is: 281,518.51
Step by Step Solution
- Step 1: Write the proportion equation
507,129.76 : 761,080.11 = 187,583.95 : x - Step 2: Convert to fraction form
507,129.76/761,080.11 = 187,583.95/x - Step 3: Cross multiply
507,129.76x = 761,080.11 × 187,583.95 - Step 4: Simplify right side
507,129.76x = 142,766,413,300.24 - Step 5: Solve for x
x = 142,766,413,300.24/507,129.76 - Step 6: Final answer
x = 281,518.51
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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.