Finding the Fourth Proportional to 292,386.60, 438,595.56 and 92,722.68
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Solution
The fourth proportional to 292,386.60, 438,595.56 and 92,722.68 is: 139,088.99
Step by Step Solution
- Step 1: Write the proportion equation
292,386.60 : 438,595.56 = 92,722.68 : x - Step 2: Convert to fraction form
292,386.60/438,595.56 = 92,722.68/x - Step 3: Cross multiply
292,386.60x = 438,595.56 × 92,722.68 - Step 4: Simplify right side
292,386.60x = 40,667,755,759.30 - Step 5: Solve for x
x = 40,667,755,759.30/292,386.60 - Step 6: Final answer
x = 139,088.99
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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.