Finding the Fourth Proportional to 418,121.94, 577,024.14 and 234,363.84
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Solution
The fourth proportional to 418,121.94, 577,024.14 and 234,363.84 is: 323,430.99
Step by Step Solution
- Step 1: Write the proportion equation
418,121.94 : 577,024.14 = 234,363.84 : x - Step 2: Convert to fraction form
418,121.94/577,024.14 = 234,363.84/x - Step 3: Cross multiply
418,121.94x = 577,024.14 × 234,363.84 - Step 4: Simplify right side
418,121.94x = 135,233,593,223.10 - Step 5: Solve for x
x = 135,233,593,223.10/418,121.94 - Step 6: Final answer
x = 323,430.99
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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.