Finding the Fourth Proportional to 484,809.80, 727,214.70 and 152,385.80
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Solution
The fourth proportional to 484,809.80, 727,214.70 and 152,385.80 is: 228,578.70
Step by Step Solution
- Step 1: Write the proportion equation
484,809.80 : 727,214.70 = 152,385.80 : x - Step 2: Convert to fraction form
484,809.80/727,214.70 = 152,385.80/x - Step 3: Cross multiply
484,809.80x = 727,214.70 × 152,385.80 - Step 4: Simplify right side
484,809.80x = 110,817,193,831.26 - Step 5: Solve for x
x = 110,817,193,831.26/484,809.80 - Step 6: Final answer
x = 228,578.70
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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.