Finding the Fourth Proportional to 232,762.89, 321,335.54 and 156,681.99
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Solution
The fourth proportional to 232,762.89, 321,335.54 and 156,681.99 is: 216,303.77
Step by Step Solution
- Step 1: Write the proportion equation
232,762.89 : 321,335.54 = 156,681.99 : x - Step 2: Convert to fraction form
232,762.89/321,335.54 = 156,681.99/x - Step 3: Cross multiply
232,762.89x = 321,335.54 × 156,681.99 - Step 4: Simplify right side
232,762.89x = 50,347,491,081.51 - Step 5: Solve for x
x = 50,347,491,081.51/232,762.89 - Step 6: Final answer
x = 216,303.77
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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.