Finding the Fourth Proportional to 497,471.68, 746,204.68 and 142,485.81
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Solution
The fourth proportional to 497,471.68, 746,204.68 and 142,485.81 is: 213,727.90
Step by Step Solution
- Step 1: Write the proportion equation
497,471.68 : 746,204.68 = 142,485.81 : x - Step 2: Convert to fraction form
497,471.68/746,204.68 = 142,485.81/x - Step 3: Cross multiply
497,471.68x = 746,204.68 × 142,485.81 - Step 4: Simplify right side
497,471.68x = 106,323,578,255.59 - Step 5: Solve for x
x = 106,323,578,255.59/497,471.68 - Step 6: Final answer
x = 213,727.90
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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.