Finding the Fourth Proportional to 615,201.10, 922,801.65 and 282,777.10
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Solution
The fourth proportional to 615,201.10, 922,801.65 and 282,777.10 is: 424,165.65
Step by Step Solution
- Step 1: Write the proportion equation
615,201.10 : 922,801.65 = 282,777.10 : x - Step 2: Convert to fraction form
615,201.10/922,801.65 = 282,777.10/x - Step 3: Cross multiply
615,201.10x = 922,801.65 × 282,777.10 - Step 4: Simplify right side
615,201.10x = 260,947,174,462.22 - Step 5: Solve for x
x = 260,947,174,462.22/615,201.10 - Step 6: Final answer
x = 424,165.65
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1.5x scale
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.