Finding the Fourth Proportional to 193,303.75, 266,746.35 and 107,257.28
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Solution
The fourth proportional to 193,303.75, 266,746.35 and 107,257.28 is: 148,007.92
Step by Step Solution
- Step 1: Write the proportion equation
193,303.75 : 266,746.35 = 107,257.28 : x - Step 2: Convert to fraction form
193,303.75/266,746.35 = 107,257.28/x - Step 3: Cross multiply
193,303.75x = 266,746.35 × 107,257.28 - Step 4: Simplify right side
193,303.75x = 28,610,486,617.20 - Step 5: Solve for x
x = 28,610,486,617.20/193,303.75 - Step 6: Final answer
x = 148,007.92
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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.