Finding the Fourth Proportional to 432,815.06, 652,176.86 and 355,657.70
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Solution
The fourth proportional to 432,815.06, 652,176.86 and 355,657.70 is: 535,914.17
Step by Step Solution
- Step 1: Write the proportion equation
432,815.06 : 652,176.86 = 355,657.70 : x - Step 2: Convert to fraction form
432,815.06/652,176.86 = 355,657.70/x - Step 3: Cross multiply
432,815.06x = 652,176.86 × 355,657.70 - Step 4: Simplify right side
432,815.06x = 231,951,722,761.60 - Step 5: Solve for x
x = 231,951,722,761.60/432,815.06 - Step 6: Final answer
x = 535,914.17
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.