Finding the Fourth Proportional to 292,465.20, 438,041.70 and 239,977.20
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Solution
The fourth proportional to 292,465.20, 438,041.70 and 239,977.20 is: 359,427.45
Step by Step Solution
- Step 1: Write the proportion equation
292,465.20 : 438,041.70 = 239,977.20 : x - Step 2: Convert to fraction form
292,465.20/438,041.70 = 239,977.20/x - Step 3: Cross multiply
292,465.20x = 438,041.70 × 239,977.20 - Step 4: Simplify right side
292,465.20x = 105,120,020,649.24 - Step 5: Solve for x
x = 105,120,020,649.24/292,465.20 - Step 6: Final answer
x = 359,427.45
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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.