Finding the Fourth Proportional to 508,762.08, 763,142.40 and 176,338.08
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Solution
The fourth proportional to 508,762.08, 763,142.40 and 176,338.08 is: 264,506.87
Step by Step Solution
- Step 1: Write the proportion equation
508,762.08 : 763,142.40 = 176,338.08 : x - Step 2: Convert to fraction form
508,762.08/763,142.40 = 176,338.08/x - Step 3: Cross multiply
508,762.08x = 763,142.40 × 176,338.08 - Step 4: Simplify right side
508,762.08x = 134,571,065,582.59 - Step 5: Solve for x
x = 134,571,065,582.59/508,762.08 - Step 6: Final answer
x = 264,506.87
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1.5x scale
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.