Finding the Fourth Proportional to 408,579.98, 563,858.58 and 340,482.96
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Solution
The fourth proportional to 408,579.98, 563,858.58 and 340,482.96 is: 469,881.66
Step by Step Solution
- Step 1: Write the proportion equation
408,579.98 : 563,858.58 = 340,482.96 : x - Step 2: Convert to fraction form
408,579.98/563,858.58 = 340,482.96/x - Step 3: Cross multiply
408,579.98x = 563,858.58 × 340,482.96 - Step 4: Simplify right side
408,579.98x = 191,984,238,339.80 - Step 5: Solve for x
x = 191,984,238,339.80/408,579.98 - Step 6: Final answer
x = 469,881.66
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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.