Finding the Fourth Proportional to 236,953.94, 355,453.18 and 87,197.09
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Solution
The fourth proportional to 236,953.94, 355,453.18 and 87,197.09 is: 130,803.82
Step by Step Solution
- Step 1: Write the proportion equation
236,953.94 : 355,453.18 = 87,197.09 : x - Step 2: Convert to fraction form
236,953.94/355,453.18 = 87,197.09/x - Step 3: Cross multiply
236,953.94x = 355,453.18 × 87,197.09 - Step 4: Simplify right side
236,953.94x = 30,994,480,931.99 - Step 5: Solve for x
x = 30,994,480,931.99/236,953.94 - Step 6: Final answer
x = 130,803.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.