Finding the Fourth Proportional to 615,201.70, 922,024.95 and 298,977.70
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Solution
The fourth proportional to 615,201.70, 922,024.95 and 298,977.70 is: 448,088.65
Step by Step Solution
- Step 1: Write the proportion equation
615,201.70 : 922,024.95 = 298,977.70 : x - Step 2: Convert to fraction form
615,201.70/922,024.95 = 298,977.70/x - Step 3: Cross multiply
615,201.70x = 922,024.95 × 298,977.70 - Step 4: Simplify right side
615,201.70x = 275,664,898,893.62 - Step 5: Solve for x
x = 275,664,898,893.62/615,201.70 - Step 6: Final answer
x = 448,088.65
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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.