Finding the Fourth Proportional to 415,209.63, 572,989.28 and 224,223.02
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Solution
The fourth proportional to 415,209.63, 572,989.28 and 224,223.02 is: 309,427.76
Step by Step Solution
- Step 1: Write the proportion equation
415,209.63 : 572,989.28 = 224,223.02 : x - Step 2: Convert to fraction form
415,209.63/572,989.28 = 224,223.02/x - Step 3: Cross multiply
415,209.63x = 572,989.28 × 224,223.02 - Step 4: Simplify right side
415,209.63x = 128,477,386,789.23 - Step 5: Solve for x
x = 128,477,386,789.23/415,209.63 - Step 6: Final answer
x = 309,427.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.