Finding the Fourth Proportional to 185,762.64, 256,430.92 and 125,415.02
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Solution
The fourth proportional to 185,762.64, 256,430.92 and 125,415.02 is: 173,125.71
Step by Step Solution
- Step 1: Write the proportion equation
185,762.64 : 256,430.92 = 125,415.02 : x - Step 2: Convert to fraction form
185,762.64/256,430.92 = 125,415.02/x - Step 3: Cross multiply
185,762.64x = 256,430.92 × 125,415.02 - Step 4: Simplify right side
185,762.64x = 32,160,288,960.42 - Step 5: Solve for x
x = 32,160,288,960.42/185,762.64 - Step 6: Final answer
x = 173,125.71
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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.