Finding the Fourth Proportional to 474,988.74, 655,485.47 and 257,199.80
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Solution
The fourth proportional to 474,988.74, 655,485.47 and 257,199.80 is: 354,936.26
Step by Step Solution
- Step 1: Write the proportion equation
474,988.74 : 655,485.47 = 257,199.80 : x - Step 2: Convert to fraction form
474,988.74/655,485.47 = 257,199.80/x - Step 3: Cross multiply
474,988.74x = 655,485.47 × 257,199.80 - Step 4: Simplify right side
474,988.74x = 168,590,727,223.48 - Step 5: Solve for x
x = 168,590,727,223.48/474,988.74 - Step 6: Final answer
x = 354,936.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.