Finding the Fourth Proportional to 612,070.26, 918,032.28 and 162,823.98
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Solution
The fourth proportional to 612,070.26, 918,032.28 and 162,823.98 is: 244,216.52
Step by Step Solution
- Step 1: Write the proportion equation
612,070.26 : 918,032.28 = 162,823.98 : x - Step 2: Convert to fraction form
612,070.26/918,032.28 = 162,823.98/x - Step 3: Cross multiply
612,070.26x = 918,032.28 × 162,823.98 - Step 4: Simplify right side
612,070.26x = 149,477,669,598.07 - Step 5: Solve for x
x = 149,477,669,598.07/612,070.26 - Step 6: Final answer
x = 244,216.52
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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.