Finding the Fourth Proportional to 144,037.80, 216,056.70 and 130,259.70
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Solution
The fourth proportional to 144,037.80, 216,056.70 and 130,259.70 is: 195,389.55
Step by Step Solution
- Step 1: Write the proportion equation
144,037.80 : 216,056.70 = 130,259.70 : x - Step 2: Convert to fraction form
144,037.80/216,056.70 = 130,259.70/x - Step 3: Cross multiply
144,037.80x = 216,056.70 × 130,259.70 - Step 4: Simplify right side
144,037.80x = 28,143,480,924.99 - Step 5: Solve for x
x = 28,143,480,924.99/144,037.80 - Step 6: Final answer
x = 195,389.55
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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.