Finding the Fourth Proportional to 316,983.87, 437,440.77 and 173,746.71
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Solution
The fourth proportional to 316,983.87, 437,440.77 and 173,746.71 is: 239,772.12
Step by Step Solution
- Step 1: Write the proportion equation
316,983.87 : 437,440.77 = 173,746.71 : x - Step 2: Convert to fraction form
316,983.87/437,440.77 = 173,746.71/x - Step 3: Cross multiply
316,983.87x = 437,440.77 × 173,746.71 - Step 4: Simplify right side
316,983.87x = 76,003,894,607.37 - Step 5: Solve for x
x = 76,003,894,607.37/316,983.87 - Step 6: Final answer
x = 239,772.12
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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.