Finding the Fourth Proportional to 219,784.41, 303,309.09 and 124,289.19
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Solution
The fourth proportional to 219,784.41, 303,309.09 and 124,289.19 is: 171,522.82
Step by Step Solution
- Step 1: Write the proportion equation
219,784.41 : 303,309.09 = 124,289.19 : x - Step 2: Convert to fraction form
219,784.41/303,309.09 = 124,289.19/x - Step 3: Cross multiply
219,784.41x = 303,309.09 × 124,289.19 - Step 4: Simplify right side
219,784.41x = 37,698,041,115.74 - Step 5: Solve for x
x = 37,698,041,115.74/219,784.41 - Step 6: Final answer
x = 171,522.82
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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.