Finding the Fourth Proportional to 458,041.10, 686,739.74 and 201,752.05
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Solution
The fourth proportional to 458,041.10, 686,739.74 and 201,752.05 is: 302,486.27
Step by Step Solution
- Step 1: Write the proportion equation
458,041.10 : 686,739.74 = 201,752.05 : x - Step 2: Convert to fraction form
458,041.10/686,739.74 = 201,752.05/x - Step 3: Cross multiply
458,041.10x = 686,739.74 × 201,752.05 - Step 4: Simplify right side
458,041.10x = 138,551,145,919.01 - Step 5: Solve for x
x = 138,551,145,919.01/458,041.10 - Step 6: Final answer
x = 302,486.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.