Finding the Fourth Proportional to 316,986.91, 437,439.35 and 173,746.64
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Solution
The fourth proportional to 316,986.91, 437,439.35 and 173,746.64 is: 239,768.95
Step by Step Solution
- Step 1: Write the proportion equation
316,986.91 : 437,439.35 = 173,746.64 : x - Step 2: Convert to fraction form
316,986.91/437,439.35 = 173,746.64/x - Step 3: Cross multiply
316,986.91x = 437,439.35 × 173,746.64 - Step 4: Simplify right side
316,986.91x = 76,003,618,794.25 - Step 5: Solve for x
x = 76,003,618,794.25/316,986.91 - Step 6: Final answer
x = 239,768.95
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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.