Finding the Fourth Proportional to 102,490.06, 153,782.57 and 39,289.07
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Solution
The fourth proportional to 102,490.06, 153,782.57 and 39,289.07 is: 58,951.80
Step by Step Solution
- Step 1: Write the proportion equation
102,490.06 : 153,782.57 = 39,289.07 : x - Step 2: Convert to fraction form
102,490.06/153,782.57 = 39,289.07/x - Step 3: Cross multiply
102,490.06x = 153,782.57 × 39,289.07 - Step 4: Simplify right side
102,490.06x = 6,041,973,486.82 - Step 5: Solve for x
x = 6,041,973,486.82/102,490.06 - Step 6: Final answer
x = 58,951.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.