Finding the Fourth Proportional to 187,303.02, 258,405.93 and 115,558.62
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Solution
The fourth proportional to 187,303.02, 258,405.93 and 115,558.62 is: 159,426.33
Step by Step Solution
- Step 1: Write the proportion equation
187,303.02 : 258,405.93 = 115,558.62 : x - Step 2: Convert to fraction form
187,303.02/258,405.93 = 115,558.62/x - Step 3: Cross multiply
187,303.02x = 258,405.93 × 115,558.62 - Step 4: Simplify right side
187,303.02x = 29,861,032,670.62 - Step 5: Solve for x
x = 29,861,032,670.62/187,303.02 - Step 6: Final answer
x = 159,426.33
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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.