Finding the Fourth Proportional to 236,477.20, 354,715.80 and 147,903.70
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Solution
The fourth proportional to 236,477.20, 354,715.80 and 147,903.70 is: 221,855.55
Step by Step Solution
- Step 1: Write the proportion equation
236,477.20 : 354,715.80 = 147,903.70 : x - Step 2: Convert to fraction form
236,477.20/354,715.80 = 147,903.70/x - Step 3: Cross multiply
236,477.20x = 354,715.80 × 147,903.70 - Step 4: Simplify right side
236,477.20x = 52,463,779,268.46 - Step 5: Solve for x
x = 52,463,779,268.46/236,477.20 - Step 6: Final answer
x = 221,855.55
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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.