Finding the Fourth Proportional to 472,363.76, 651,837.84 and 257,482.64
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Solution
The fourth proportional to 472,363.76, 651,837.84 and 257,482.64 is: 355,312.88
Step by Step Solution
- Step 1: Write the proportion equation
472,363.76 : 651,837.84 = 257,482.64 : x - Step 2: Convert to fraction form
472,363.76/651,837.84 = 257,482.64/x - Step 3: Cross multiply
472,363.76x = 651,837.84 × 257,482.64 - Step 4: Simplify right side
472,363.76x = 167,836,927,895.10 - Step 5: Solve for x
x = 167,836,927,895.10/472,363.76 - Step 6: Final answer
x = 355,312.88
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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.