Finding the Fourth Proportional to 551,465.10, 827,197.65 and 314,831.70
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Solution
The fourth proportional to 551,465.10, 827,197.65 and 314,831.70 is: 472,247.55
Step by Step Solution
- Step 1: Write the proportion equation
551,465.10 : 827,197.65 = 314,831.70 : x - Step 2: Convert to fraction form
551,465.10/827,197.65 = 314,831.70/x - Step 3: Cross multiply
551,465.10x = 827,197.65 × 314,831.70 - Step 4: Simplify right side
551,465.10x = 260,428,042,385.51 - Step 5: Solve for x
x = 260,428,042,385.51/551,465.10 - Step 6: Final answer
x = 472,247.55
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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.