Finding the Fourth Proportional to 352,681.06, 486,699.74 and 191,536.15
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Solution
The fourth proportional to 352,681.06, 486,699.74 and 191,536.15 is: 264,319.82
Step by Step Solution
- Step 1: Write the proportion equation
352,681.06 : 486,699.74 = 191,536.15 : x - Step 2: Convert to fraction form
352,681.06/486,699.74 = 191,536.15/x - Step 3: Cross multiply
352,681.06x = 486,699.74 × 191,536.15 - Step 4: Simplify right side
352,681.06x = 93,220,591,972.10 - Step 5: Solve for x
x = 93,220,591,972.10/352,681.06 - Step 6: Final answer
x = 264,319.82
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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.