Finding the Fourth Proportional to 307,368.22, 424,169.99 and 171,410.76
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Solution
The fourth proportional to 307,368.22, 424,169.99 and 171,410.76 is: 236,547.88
Step by Step Solution
- Step 1: Write the proportion equation
307,368.22 : 424,169.99 = 171,410.76 : x - Step 2: Convert to fraction form
307,368.22/424,169.99 = 171,410.76/x - Step 3: Cross multiply
307,368.22x = 424,169.99 × 171,410.76 - Step 4: Simplify right side
307,368.22x = 72,707,300,355.09 - Step 5: Solve for x
x = 72,707,300,355.09/307,368.22 - Step 6: Final answer
x = 236,547.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.