Finding the Fourth Proportional to 514,970.60, 772,237.20 and 248,812.70
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Solution
The fourth proportional to 514,970.60, 772,237.20 and 248,812.70 is: 373,113.38
Step by Step Solution
- Step 1: Write the proportion equation
514,970.60 : 772,237.20 = 248,812.70 : x - Step 2: Convert to fraction form
514,970.60/772,237.20 = 248,812.70/x - Step 3: Cross multiply
514,970.60x = 772,237.20 × 248,812.70 - Step 4: Simplify right side
514,970.60x = 192,142,422,772.44 - Step 5: Solve for x
x = 192,142,422,772.44/514,970.60 - Step 6: Final answer
x = 373,113.38
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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.