Finding the Fourth Proportional to 372,497.60, 558,833.16 and 106,261.76
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Solution
The fourth proportional to 372,497.60, 558,833.16 and 106,261.76 is: 159,417.39
Step by Step Solution
- Step 1: Write the proportion equation
372,497.60 : 558,833.16 = 106,261.76 : x - Step 2: Convert to fraction form
372,497.60/558,833.16 = 106,261.76/x - Step 3: Cross multiply
372,497.60x = 558,833.16 × 106,261.76 - Step 4: Simplify right side
372,497.60x = 59,382,595,127.96 - Step 5: Solve for x
x = 59,382,595,127.96/372,497.60 - Step 6: Final answer
x = 159,417.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.