Finding the Fourth Proportional to 207,283.74, 310,907.68 and 126,209.82
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Solution
The fourth proportional to 207,283.74, 310,907.68 and 126,209.82 is: 189,303.81
Step by Step Solution
- Step 1: Write the proportion equation
207,283.74 : 310,907.68 = 126,209.82 : x - Step 2: Convert to fraction form
207,283.74/310,907.68 = 126,209.82/x - Step 3: Cross multiply
207,283.74x = 310,907.68 × 126,209.82 - Step 4: Simplify right side
207,283.74x = 39,239,602,329.42 - Step 5: Solve for x
x = 39,239,602,329.42/207,283.74 - Step 6: Final answer
x = 189,303.81
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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.