Finding the Fourth Proportional to 292,210.87, 438,360.12 and 102,637.82
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Solution
The fourth proportional to 292,210.87, 438,360.12 and 102,637.82 is: 153,972.12
Step by Step Solution
- Step 1: Write the proportion equation
292,210.87 : 438,360.12 = 102,637.82 : x - Step 2: Convert to fraction form
292,210.87/438,360.12 = 102,637.82/x - Step 3: Cross multiply
292,210.87x = 438,360.12 × 102,637.82 - Step 4: Simplify right side
292,210.87x = 44,992,327,091.74 - Step 5: Solve for x
x = 44,992,327,091.74/292,210.87 - Step 6: Final answer
x = 153,972.12
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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.