Finding the Fourth Proportional to 473,135.80, 709,703.70 and 339,734.20
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Solution
The fourth proportional to 473,135.80, 709,703.70 and 339,734.20 is: 509,601.30
Step by Step Solution
- Step 1: Write the proportion equation
473,135.80 : 709,703.70 = 339,734.20 : x - Step 2: Convert to fraction form
473,135.80/709,703.70 = 339,734.20/x - Step 3: Cross multiply
473,135.80x = 709,703.70 × 339,734.20 - Step 4: Simplify right side
473,135.80x = 241,110,618,756.54 - Step 5: Solve for x
x = 241,110,618,756.54/473,135.80 - Step 6: Final answer
x = 509,601.30
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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.