Finding the Fourth Proportional to 447,341.28, 617,312.49 and 243,393.01
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Solution
The fourth proportional to 447,341.28, 617,312.49 and 243,393.01 is: 335,872.31
Step by Step Solution
- Step 1: Write the proportion equation
447,341.28 : 617,312.49 = 243,393.01 : x - Step 2: Convert to fraction form
447,341.28/617,312.49 = 243,393.01/x - Step 3: Cross multiply
447,341.28x = 617,312.49 × 243,393.01 - Step 4: Simplify right side
447,341.28x = 150,249,548,305.25 - Step 5: Solve for x
x = 150,249,548,305.25/447,341.28 - Step 6: Final answer
x = 335,872.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.