Finding the Fourth Proportional to 380,248.96, 571,407.36 and 202,881.28
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Solution
The fourth proportional to 380,248.96, 571,407.36 and 202,881.28 is: 304,873.57
Step by Step Solution
- Step 1: Write the proportion equation
380,248.96 : 571,407.36 = 202,881.28 : x - Step 2: Convert to fraction form
380,248.96/571,407.36 = 202,881.28/x - Step 3: Cross multiply
380,248.96x = 571,407.36 × 202,881.28 - Step 4: Simplify right side
380,248.96x = 115,927,856,598.22 - Step 5: Solve for x
x = 115,927,856,598.22/380,248.96 - Step 6: Final answer
x = 304,873.57
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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.