Finding the Fourth Proportional to 105,966.47, 158,918 and 34,875.99
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Solution
The fourth proportional to 105,966.47, 158,918 and 34,875.99 is: 52,303.54
Step by Step Solution
- Step 1: Write the proportion equation
105,966.47 : 158,918 = 34,875.99 : x - Step 2: Convert to fraction form
105,966.47/158,918 = 34,875.99/x - Step 3: Cross multiply
105,966.47x = 158,918 × 34,875.99 - Step 4: Simplify right side
105,966.47x = 5,542,421,784.23 - Step 5: Solve for x
x = 5,542,421,784.23/105,966.47 - Step 6: Final answer
x = 52,303.54
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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.