Finding the Fourth Proportional to 615,320.70, 922,894.65 and 194,639.10
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Solution
The fourth proportional to 615,320.70, 922,894.65 and 194,639.10 is: 291,931.32
Step by Step Solution
- Step 1: Write the proportion equation
615,320.70 : 922,894.65 = 194,639.10 : x - Step 2: Convert to fraction form
615,320.70/922,894.65 = 194,639.10/x - Step 3: Cross multiply
615,320.70x = 922,894.65 × 194,639.10 - Step 4: Simplify right side
615,320.70x = 179,631,384,070.82 - Step 5: Solve for x
x = 179,631,384,070.82/615,320.70 - Step 6: Final answer
x = 291,931.32
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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.