Finding the Fourth Proportional to 556,495.65, 834,775.77 and 157,102.98
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Solution
The fourth proportional to 556,495.65, 834,775.77 and 157,102.98 is: 235,663.59
Step by Step Solution
- Step 1: Write the proportion equation
556,495.65 : 834,775.77 = 157,102.98 : x - Step 2: Convert to fraction form
556,495.65/834,775.77 = 157,102.98/x - Step 3: Cross multiply
556,495.65x = 834,775.77 × 157,102.98 - Step 4: Simplify right side
556,495.65x = 131,145,762,079.23 - Step 5: Solve for x
x = 131,145,762,079.23/556,495.65 - Step 6: Final answer
x = 235,663.59
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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.