Finding the Fourth Proportional to 425,831.02, 587,647.34 and 232,239.05
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Solution
The fourth proportional to 425,831.02, 587,647.34 and 232,239.05 is: 320,490.17
Step by Step Solution
- Step 1: Write the proportion equation
425,831.02 : 587,647.34 = 232,239.05 : x - Step 2: Convert to fraction form
425,831.02/587,647.34 = 232,239.05/x - Step 3: Cross multiply
425,831.02x = 587,647.34 × 232,239.05 - Step 4: Simplify right side
425,831.02x = 136,474,655,877.20 - Step 5: Solve for x
x = 136,474,655,877.20/425,831.02 - Step 6: Final answer
x = 320,490.17
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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.