Finding the Fourth Proportional to 375,765.84, 518,554.95 and 203,683.11
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Solution
The fourth proportional to 375,765.84, 518,554.95 and 203,683.11 is: 281,081.66
Step by Step Solution
- Step 1: Write the proportion equation
375,765.84 : 518,554.95 = 203,683.11 : x - Step 2: Convert to fraction form
375,765.84/518,554.95 = 203,683.11/x - Step 3: Cross multiply
375,765.84x = 518,554.95 × 203,683.11 - Step 4: Simplify right side
375,765.84x = 105,620,884,921.90 - Step 5: Solve for x
x = 105,620,884,921.90/375,765.84 - Step 6: Final answer
x = 281,081.66
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1.5x scale
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.