Finding the Fourth Proportional to 370,341.70, 555,512.55 and 277,029.70
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Solution
The fourth proportional to 370,341.70, 555,512.55 and 277,029.70 is: 415,544.55
Step by Step Solution
- Step 1: Write the proportion equation
370,341.70 : 555,512.55 = 277,029.70 : x - Step 2: Convert to fraction form
370,341.70/555,512.55 = 277,029.70/x - Step 3: Cross multiply
370,341.70x = 555,512.55 × 277,029.70 - Step 4: Simplify right side
370,341.70x = 153,893,475,072.74 - Step 5: Solve for x
x = 153,893,475,072.74/370,341.70 - Step 6: Final answer
x = 415,544.55
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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.