Finding the Fourth Proportional to 472,319.24, 651,787.56 and 257,463.50
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Solution
The fourth proportional to 472,319.24, 651,787.56 and 257,463.50 is: 355,292.55
Step by Step Solution
- Step 1: Write the proportion equation
472,319.24 : 651,787.56 = 257,463.50 : x - Step 2: Convert to fraction form
472,319.24/651,787.56 = 257,463.50/x - Step 3: Cross multiply
472,319.24x = 651,787.56 × 257,463.50 - Step 4: Simplify right side
472,319.24x = 167,811,506,454.06 - Step 5: Solve for x
x = 167,811,506,454.06/472,319.24 - Step 6: Final answer
x = 355,292.55
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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.