Finding the Fourth Proportional to 312,643.24, 468,973.50 and 194,655.40
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Solution
The fourth proportional to 312,643.24, 468,973.50 and 194,655.40 is: 291,988.48
Step by Step Solution
- Step 1: Write the proportion equation
312,643.24 : 468,973.50 = 194,655.40 : x - Step 2: Convert to fraction form
312,643.24/468,973.50 = 194,655.40/x - Step 3: Cross multiply
312,643.24x = 468,973.50 × 194,655.40 - Step 4: Simplify right side
312,643.24x = 91,288,224,231.90 - Step 5: Solve for x
x = 91,288,224,231.90/312,643.24 - Step 6: Final answer
x = 291,988.48
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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.