Finding the Fourth Proportional to 432,815.31, 652,177.24 and 355,657.95
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Solution
The fourth proportional to 432,815.31, 652,177.24 and 355,657.95 is: 535,914.55
Step by Step Solution
- Step 1: Write the proportion equation
432,815.31 : 652,177.24 = 355,657.95 : x - Step 2: Convert to fraction form
432,815.31/652,177.24 = 355,657.95/x - Step 3: Cross multiply
432,815.31x = 652,177.24 × 355,657.95 - Step 4: Simplify right side
432,815.31x = 231,952,020,215.06 - Step 5: Solve for x
x = 231,952,020,215.06/432,815.31 - Step 6: Final answer
x = 535,914.55
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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.