Finding the Fourth Proportional to 257,810.09, 386,735.94 and 97,962.66
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Solution
The fourth proportional to 257,810.09, 386,735.94 and 97,962.66 is: 146,951.90
Step by Step Solution
- Step 1: Write the proportion equation
257,810.09 : 386,735.94 = 97,962.66 : x - Step 2: Convert to fraction form
257,810.09/386,735.94 = 97,962.66/x - Step 3: Cross multiply
257,810.09x = 386,735.94 × 97,962.66 - Step 4: Simplify right side
257,810.09x = 37,885,681,400.00 - Step 5: Solve for x
x = 37,885,681,400.00/257,810.09 - Step 6: Final answer
x = 146,951.90
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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.