Finding the Fourth Proportional to 412,548.94, 569,307.26 and 228,786.44
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Solution
The fourth proportional to 412,548.94, 569,307.26 and 228,786.44 is: 315,719.59
Step by Step Solution
- Step 1: Write the proportion equation
412,548.94 : 569,307.26 = 228,786.44 : x - Step 2: Convert to fraction form
412,548.94/569,307.26 = 228,786.44/x - Step 3: Cross multiply
412,548.94x = 569,307.26 × 228,786.44 - Step 4: Simplify right side
412,548.94x = 130,249,781,281.55 - Step 5: Solve for x
x = 130,249,781,281.55/412,548.94 - Step 6: Final answer
x = 315,719.59
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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.