Finding the Fourth Proportional to 292,416.75, 403,536.33 and 158,280.75
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Solution
The fourth proportional to 292,416.75, 403,536.33 and 158,280.75 is: 218,428.09
Step by Step Solution
- Step 1: Write the proportion equation
292,416.75 : 403,536.33 = 158,280.75 : x - Step 2: Convert to fraction form
292,416.75/403,536.33 = 158,280.75/x - Step 3: Cross multiply
292,416.75x = 403,536.33 × 158,280.75 - Step 4: Simplify right side
292,416.75x = 63,872,032,964.65 - Step 5: Solve for x
x = 63,872,032,964.65/292,416.75 - Step 6: Final answer
x = 218,428.09
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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.