Finding the Fourth Proportional to 318,392.08, 439,374.36 and 175,149.52
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Solution
The fourth proportional to 318,392.08, 439,374.36 and 175,149.52 is: 241,702.65
Step by Step Solution
- Step 1: Write the proportion equation
318,392.08 : 439,374.36 = 175,149.52 : x - Step 2: Convert to fraction form
318,392.08/439,374.36 = 175,149.52/x - Step 3: Cross multiply
318,392.08x = 439,374.36 × 175,149.52 - Step 4: Simplify right side
318,392.08x = 76,956,208,254.31 - Step 5: Solve for x
x = 76,956,208,254.31/318,392.08 - Step 6: Final answer
x = 241,702.65
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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.