Finding the Fourth Proportional to 307,547.68, 460,919.60 and 157,660.96
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Solution
The fourth proportional to 307,547.68, 460,919.60 and 157,660.96 is: 236,285.40
Step by Step Solution
- Step 1: Write the proportion equation
307,547.68 : 460,919.60 = 157,660.96 : x - Step 2: Convert to fraction form
307,547.68/460,919.60 = 157,660.96/x - Step 3: Cross multiply
307,547.68x = 460,919.60 × 157,660.96 - Step 4: Simplify right side
307,547.68x = 72,669,026,618.82 - Step 5: Solve for x
x = 72,669,026,618.82/307,547.68 - Step 6: Final answer
x = 236,285.40
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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.