Finding the Fourth Proportional to 125,313.13, 187,980.74 and 35,356.63
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Solution
The fourth proportional to 125,313.13, 187,980.74 and 35,356.63 is: 53,038.06
Step by Step Solution
- Step 1: Write the proportion equation
125,313.13 : 187,980.74 = 35,356.63 : x - Step 2: Convert to fraction form
125,313.13/187,980.74 = 35,356.63/x - Step 3: Cross multiply
125,313.13x = 187,980.74 × 35,356.63 - Step 4: Simplify right side
125,313.13x = 6,646,365,089.75 - Step 5: Solve for x
x = 6,646,365,089.75/125,313.13 - Step 6: Final answer
x = 53,038.06
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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.