Finding the Fourth Proportional to 352,681.18, 486,699.91 and 191,536.27
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Solution
The fourth proportional to 352,681.18, 486,699.91 and 191,536.27 is: 264,319.99
Step by Step Solution
- Step 1: Write the proportion equation
352,681.18 : 486,699.91 = 191,536.27 : x - Step 2: Convert to fraction form
352,681.18/486,699.91 = 191,536.27/x - Step 3: Cross multiply
352,681.18x = 486,699.91 × 191,536.27 - Step 4: Simplify right side
352,681.18x = 93,220,685,370.74 - Step 5: Solve for x
x = 93,220,685,370.74/352,681.18 - Step 6: Final answer
x = 264,319.99
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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.