Finding the Fourth Proportional to 286,223.68, 429,532.36 and 99,235.18
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Solution
The fourth proportional to 286,223.68, 429,532.36 and 99,235.18 is: 148,921.02
Step by Step Solution
- Step 1: Write the proportion equation
286,223.68 : 429,532.36 = 99,235.18 : x - Step 2: Convert to fraction form
286,223.68/429,532.36 = 99,235.18/x - Step 3: Cross multiply
286,223.68x = 429,532.36 × 99,235.18 - Step 4: Simplify right side
286,223.68x = 42,624,721,060.42 - Step 5: Solve for x
x = 42,624,721,060.42/286,223.68 - Step 6: Final answer
x = 148,921.02
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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.