Finding the Fourth Proportional to 372,753.06, 514,405.20 and 202,987.20
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Solution
The fourth proportional to 372,753.06, 514,405.20 and 202,987.20 is: 280,125.59
Step by Step Solution
- Step 1: Write the proportion equation
372,753.06 : 514,405.20 = 202,987.20 : x - Step 2: Convert to fraction form
372,753.06/514,405.20 = 202,987.20/x - Step 3: Cross multiply
372,753.06x = 514,405.20 × 202,987.20 - Step 4: Simplify right side
372,753.06x = 104,417,671,213.44 - Step 5: Solve for x
x = 104,417,671,213.44/372,753.06 - Step 6: Final answer
x = 280,125.59
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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.