Finding the Fourth Proportional to 472,852.60, 709,343.70 and 157,276.60
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Solution
The fourth proportional to 472,852.60, 709,343.70 and 157,276.60 is: 235,936.45
Step by Step Solution
- Step 1: Write the proportion equation
472,852.60 : 709,343.70 = 157,276.60 : x - Step 2: Convert to fraction form
472,852.60/709,343.70 = 157,276.60/x - Step 3: Cross multiply
472,852.60x = 709,343.70 × 157,276.60 - Step 4: Simplify right side
472,852.60x = 111,563,165,367.42 - Step 5: Solve for x
x = 111,563,165,367.42/472,852.60 - Step 6: Final answer
x = 235,936.45
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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.