Finding the Fourth Proportional to 501,978.26, 692,726.15 and 272,530.99
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Solution
The fourth proportional to 501,978.26, 692,726.15 and 272,530.99 is: 376,090.67
Step by Step Solution
- Step 1: Write the proportion equation
501,978.26 : 692,726.15 = 272,530.99 : x - Step 2: Convert to fraction form
501,978.26/692,726.15 = 272,530.99/x - Step 3: Cross multiply
501,978.26x = 692,726.15 × 272,530.99 - Step 4: Simplify right side
501,978.26x = 188,789,340,363.92 - Step 5: Solve for x
x = 188,789,340,363.92/501,978.26 - Step 6: Final answer
x = 376,090.67
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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.