Finding the Fourth Proportional to 375,421.08, 518,077.95 and 203,335.05
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Solution
The fourth proportional to 375,421.08, 518,077.95 and 203,335.05 is: 280,600.67
Step by Step Solution
- Step 1: Write the proportion equation
375,421.08 : 518,077.95 = 203,335.05 : x - Step 2: Convert to fraction form
375,421.08/518,077.95 = 203,335.05/x - Step 3: Cross multiply
375,421.08x = 518,077.95 × 203,335.05 - Step 4: Simplify right side
375,421.08x = 105,343,405,867.15 - Step 5: Solve for x
x = 105,343,405,867.15/375,421.08 - Step 6: Final answer
x = 280,600.67
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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.