Finding the Fourth Proportional to 415,590.12, 573,516.99 and 224,603.06
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Solution
The fourth proportional to 415,590.12, 573,516.99 and 224,603.06 is: 309,953.64
Step by Step Solution
- Step 1: Write the proportion equation
415,590.12 : 573,516.99 = 224,603.06 : x - Step 2: Convert to fraction form
415,590.12/573,516.99 = 224,603.06/x - Step 3: Cross multiply
415,590.12x = 573,516.99 × 224,603.06 - Step 4: Simplify right side
415,590.12x = 128,813,670,915.99 - Step 5: Solve for x
x = 128,813,670,915.99/415,590.12 - Step 6: Final answer
x = 309,953.64
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1.5x scale
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.