Finding the Fourth Proportional to 368,698.62, 508,784.76 and 207,548.31
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Solution
The fourth proportional to 368,698.62, 508,784.76 and 207,548.31 is: 286,405.78
Step by Step Solution
- Step 1: Write the proportion equation
368,698.62 : 508,784.76 = 207,548.31 : x - Step 2: Convert to fraction form
368,698.62/508,784.76 = 207,548.31/x - Step 3: Cross multiply
368,698.62x = 508,784.76 × 207,548.31 - Step 4: Simplify right side
368,698.62x = 105,597,417,091.76 - Step 5: Solve for x
x = 105,597,417,091.76/368,698.62 - Step 6: Final answer
x = 286,405.78
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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.