Finding the Fourth Proportional to 197,488.94, 272,541.74 and 111,468.87
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Solution
The fourth proportional to 197,488.94, 272,541.74 and 111,468.87 is: 153,830.99
Step by Step Solution
- Step 1: Write the proportion equation
197,488.94 : 272,541.74 = 111,468.87 : x - Step 2: Convert to fraction form
197,488.94/272,541.74 = 111,468.87/x - Step 3: Cross multiply
197,488.94x = 272,541.74 × 111,468.87 - Step 4: Simplify right side
197,488.94x = 30,379,918,701.60 - Step 5: Solve for x
x = 30,379,918,701.60/197,488.94 - Step 6: Final answer
x = 153,830.99
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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.