Finding the Fourth Proportional to 423,559.05, 631,602.21 and 364,772.49
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Solution
The fourth proportional to 423,559.05, 631,602.21 and 364,772.49 is: 543,940.95
Step by Step Solution
- Step 1: Write the proportion equation
423,559.05 : 631,602.21 = 364,772.49 : x - Step 2: Convert to fraction form
423,559.05/631,602.21 = 364,772.49/x - Step 3: Cross multiply
423,559.05x = 631,602.21 × 364,772.49 - Step 4: Simplify right side
423,559.05x = 230,391,110,831.20 - Step 5: Solve for x
x = 230,391,110,831.20/423,559.05 - Step 6: Final answer
x = 543,940.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.