Finding the Fourth Proportional to 577,984.76, 866,889.66 and 157,293.44
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Solution
The fourth proportional to 577,984.76, 866,889.66 and 157,293.44 is: 235,916.35
Step by Step Solution
- Step 1: Write the proportion equation
577,984.76 : 866,889.66 = 157,293.44 : x - Step 2: Convert to fraction form
577,984.76/866,889.66 = 157,293.44/x - Step 3: Cross multiply
577,984.76x = 866,889.66 × 157,293.44 - Step 4: Simplify right side
577,984.76x = 136,356,056,721.83 - Step 5: Solve for x
x = 136,356,056,721.83/577,984.76 - Step 6: Final answer
x = 235,916.35
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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.