Finding the Fourth Proportional to 292,501.13, 438,696.18 and 142,590.65
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Solution
The fourth proportional to 292,501.13, 438,696.18 and 142,590.65 is: 213,858.91
Step by Step Solution
- Step 1: Write the proportion equation
292,501.13 : 438,696.18 = 142,590.65 : x - Step 2: Convert to fraction form
292,501.13/438,696.18 = 142,590.65/x - Step 3: Cross multiply
292,501.13x = 438,696.18 × 142,590.65 - Step 4: Simplify right side
292,501.13x = 62,553,971,265.24 - Step 5: Solve for x
x = 62,553,971,265.24/292,501.13 - Step 6: Final answer
x = 213,858.91
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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.