Finding the Fourth Proportional to 310,135.12, 465,385.48 and 130,252.11
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Solution
The fourth proportional to 310,135.12, 465,385.48 and 130,252.11 is: 195,454.94
Step by Step Solution
- Step 1: Write the proportion equation
310,135.12 : 465,385.48 = 130,252.11 : x - Step 2: Convert to fraction form
310,135.12/465,385.48 = 130,252.11/x - Step 3: Cross multiply
310,135.12x = 465,385.48 × 130,252.11 - Step 4: Simplify right side
310,135.12x = 60,617,439,395.21 - Step 5: Solve for x
x = 60,617,439,395.21/310,135.12 - Step 6: Final answer
x = 195,454.94
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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.