Finding the Fourth Proportional to 292,513.14, 438,769.68 and 70,897.14
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Solution
The fourth proportional to 292,513.14, 438,769.68 and 70,897.14 is: 106,345.70
Step by Step Solution
- Step 1: Write the proportion equation
292,513.14 : 438,769.68 = 70,897.14 : x - Step 2: Convert to fraction form
292,513.14/438,769.68 = 70,897.14/x - Step 3: Cross multiply
292,513.14x = 438,769.68 × 70,897.14 - Step 4: Simplify right side
292,513.14x = 31,107,515,430.72 - Step 5: Solve for x
x = 31,107,515,430.72/292,513.14 - Step 6: Final answer
x = 106,345.70
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1.5x scale
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.