Finding the Fourth Proportional to 319,072.68, 478,795.05 and 119,533.23
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Solution
The fourth proportional to 319,072.68, 478,795.05 and 119,533.23 is: 179,369.54
Step by Step Solution
- Step 1: Write the proportion equation
319,072.68 : 478,795.05 = 119,533.23 : x - Step 2: Convert to fraction form
319,072.68/478,795.05 = 119,533.23/x - Step 3: Cross multiply
319,072.68x = 478,795.05 × 119,533.23 - Step 4: Simplify right side
319,072.68x = 57,231,918,834.51 - Step 5: Solve for x
x = 57,231,918,834.51/319,072.68 - Step 6: Final answer
x = 179,369.54
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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.