Finding the Fourth Proportional to 375,763.84, 518,552.19 and 203,681.11
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Solution
The fourth proportional to 375,763.84, 518,552.19 and 203,681.11 is: 281,078.90
Step by Step Solution
- Step 1: Write the proportion equation
375,763.84 : 518,552.19 = 203,681.11 : x - Step 2: Convert to fraction form
375,763.84/518,552.19 = 203,681.11/x - Step 3: Cross multiply
375,763.84x = 518,552.19 × 203,681.11 - Step 4: Simplify right side
375,763.84x = 105,619,285,652.13 - Step 5: Solve for x
x = 105,619,285,652.13/375,763.84 - Step 6: Final answer
x = 281,078.90
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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.