Finding the Fourth Proportional to 311,303.87, 466,955.91 and 240,330.12
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Solution
The fourth proportional to 311,303.87, 466,955.91 and 240,330.12 is: 360,495.27
Step by Step Solution
- Step 1: Write the proportion equation
311,303.87 : 466,955.91 = 240,330.12 : x - Step 2: Convert to fraction form
311,303.87/466,955.91 = 240,330.12/x - Step 3: Cross multiply
311,303.87x = 466,955.91 × 240,330.12 - Step 4: Simplify right side
311,303.87x = 112,223,569,885.01 - Step 5: Solve for x
x = 112,223,569,885.01/311,303.87 - Step 6: Final answer
x = 360,495.27
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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.