Finding the Fourth Proportional to 430,774.20, 594,652.20 and 306,675.18
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Solution
The fourth proportional to 430,774.20, 594,652.20 and 306,675.18 is: 423,342.60
Step by Step Solution
- Step 1: Write the proportion equation
430,774.20 : 594,652.20 = 306,675.18 : x - Step 2: Convert to fraction form
430,774.20/594,652.20 = 306,675.18/x - Step 3: Cross multiply
430,774.20x = 594,652.20 × 306,675.18 - Step 4: Simplify right side
430,774.20x = 182,365,070,472.40 - Step 5: Solve for x
x = 182,365,070,472.40/430,774.20 - Step 6: Final answer
x = 423,342.60
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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.