Finding the Fourth Proportional to 323,312.97, 484,970.36 and 112,950.90
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Solution
The fourth proportional to 323,312.97, 484,970.36 and 112,950.90 is: 169,426.66
Step by Step Solution
- Step 1: Write the proportion equation
323,312.97 : 484,970.36 = 112,950.90 : x - Step 2: Convert to fraction form
323,312.97/484,970.36 = 112,950.90/x - Step 3: Cross multiply
323,312.97x = 484,970.36 × 112,950.90 - Step 4: Simplify right side
323,312.97x = 54,777,838,070.57 - Step 5: Solve for x
x = 54,777,838,070.57/323,312.97 - Step 6: Final answer
x = 169,426.66
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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.