Finding the Fourth Proportional to 502,012.98, 692,783.87 and 272,573.01
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Solution
The fourth proportional to 502,012.98, 692,783.87 and 272,573.01 is: 376,153.99
Step by Step Solution
- Step 1: Write the proportion equation
502,012.98 : 692,783.87 = 272,573.01 : x - Step 2: Convert to fraction form
502,012.98/692,783.87 = 272,573.01/x - Step 3: Cross multiply
502,012.98x = 692,783.87 × 272,573.01 - Step 4: Simplify right side
502,012.98x = 188,834,183,362.48 - Step 5: Solve for x
x = 188,834,183,362.48/502,012.98 - Step 6: Final answer
x = 376,153.99
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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.