Finding the Fourth Proportional to 561,675.09, 842,512.66 and 187,698.09
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Solution
The fourth proportional to 561,675.09, 842,512.66 and 187,698.09 is: 281,547.15
Step by Step Solution
- Step 1: Write the proportion equation
561,675.09 : 842,512.66 = 187,698.09 : x - Step 2: Convert to fraction form
561,675.09/842,512.66 = 187,698.09/x - Step 3: Cross multiply
561,675.09x = 842,512.66 × 187,698.09 - Step 4: Simplify right side
561,675.09x = 158,138,019,773.00 - Step 5: Solve for x
x = 158,138,019,773.00/561,675.09 - Step 6: Final answer
x = 281,547.15
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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.