Finding the Fourth Proportional to 439,432.80, 659,440.80 and 249,892.80
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Solution
The fourth proportional to 439,432.80, 659,440.80 and 249,892.80 is: 375,005.02
Step by Step Solution
- Step 1: Write the proportion equation
439,432.80 : 659,440.80 = 249,892.80 : x - Step 2: Convert to fraction form
439,432.80/659,440.80 = 249,892.80/x - Step 3: Cross multiply
439,432.80x = 659,440.80 × 249,892.80 - Step 4: Simplify right side
439,432.80x = 164,789,507,946.24 - Step 5: Solve for x
x = 164,789,507,946.24/439,432.80 - Step 6: Final answer
x = 375,005.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.