Finding the Fourth Proportional to 98,774.47, 136,307.73 and 53,451.46
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Solution
The fourth proportional to 98,774.47, 136,307.73 and 53,451.46 is: 73,762.45
Step by Step Solution
- Step 1: Write the proportion equation
98,774.47 : 136,307.73 = 53,451.46 : x - Step 2: Convert to fraction form
98,774.47/136,307.73 = 53,451.46/x - Step 3: Cross multiply
98,774.47x = 136,307.73 × 53,451.46 - Step 4: Simplify right side
98,774.47x = 7,285,847,177.79 - Step 5: Solve for x
x = 7,285,847,177.79/98,774.47 - Step 6: Final answer
x = 73,762.45
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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.