Finding the Fourth Proportional to 282,184.48, 389,432.08 and 186,525.28
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Solution
The fourth proportional to 282,184.48, 389,432.08 and 186,525.28 is: 257,416.45
Step by Step Solution
- Step 1: Write the proportion equation
282,184.48 : 389,432.08 = 186,525.28 : x - Step 2: Convert to fraction form
282,184.48/389,432.08 = 186,525.28/x - Step 3: Cross multiply
282,184.48x = 389,432.08 × 186,525.28 - Step 4: Simplify right side
282,184.48x = 72,638,927,762.98 - Step 5: Solve for x
x = 72,638,927,762.98/282,184.48 - Step 6: Final answer
x = 257,416.45
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1.5x scale
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.