Finding the Fourth Proportional to 313,239.10, 432,269.95 and 169,999.14
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Solution
The fourth proportional to 313,239.10, 432,269.95 and 169,999.14 is: 234,598.81
Step by Step Solution
- Step 1: Write the proportion equation
313,239.10 : 432,269.95 = 169,999.14 : x - Step 2: Convert to fraction form
313,239.10/432,269.95 = 169,999.14/x - Step 3: Cross multiply
313,239.10x = 432,269.95 × 169,999.14 - Step 4: Simplify right side
313,239.10x = 73,485,519,417.63 - Step 5: Solve for x
x = 73,485,519,417.63/313,239.10 - Step 6: Final answer
x = 234,598.81
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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.