Finding the Fourth Proportional to 190,681.70, 263,148.35 and 104,643.70
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Solution
The fourth proportional to 190,681.70, 263,148.35 and 104,643.70 is: 144,412.48
Step by Step Solution
- Step 1: Write the proportion equation
190,681.70 : 263,148.35 = 104,643.70 : x - Step 2: Convert to fraction form
190,681.70/263,148.35 = 104,643.70/x - Step 3: Cross multiply
190,681.70x = 263,148.35 × 104,643.70 - Step 4: Simplify right side
190,681.70x = 27,536,815,811.81 - Step 5: Solve for x
x = 27,536,815,811.81/190,681.70 - Step 6: Final answer
x = 144,412.48
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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.