Finding the Fourth Proportional to 302,987.07, 418,103.37 and 167,013.99
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Solution
The fourth proportional to 302,987.07, 418,103.37 and 167,013.99 is: 230,468.95
Step by Step Solution
- Step 1: Write the proportion equation
302,987.07 : 418,103.37 = 167,013.99 : x - Step 2: Convert to fraction form
302,987.07/418,103.37 = 167,013.99/x - Step 3: Cross multiply
302,987.07x = 418,103.37 × 167,013.99 - Step 4: Simplify right side
302,987.07x = 69,829,112,056.15 - Step 5: Solve for x
x = 69,829,112,056.15/302,987.07 - Step 6: Final answer
x = 230,468.95
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1.5x scale
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.