Finding the Fourth Proportional to 286,304.16, 429,132.24 and 145,765.92
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Solution
The fourth proportional to 286,304.16, 429,132.24 and 145,765.92 is: 218,483.92
Step by Step Solution
- Step 1: Write the proportion equation
286,304.16 : 429,132.24 = 145,765.92 : x - Step 2: Convert to fraction form
286,304.16/429,132.24 = 145,765.92/x - Step 3: Cross multiply
286,304.16x = 429,132.24 × 145,765.92 - Step 4: Simplify right side
286,304.16x = 62,552,855,765.26 - Step 5: Solve for x
x = 62,552,855,765.26/286,304.16 - Step 6: Final answer
x = 218,483.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.