Finding the Fourth Proportional to 319,847.73, 478,729.98 and 235,574.70
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Solution
The fourth proportional to 319,847.73, 478,729.98 and 235,574.70 is: 352,594.88
Step by Step Solution
- Step 1: Write the proportion equation
319,847.73 : 478,729.98 = 235,574.70 : x - Step 2: Convert to fraction form
319,847.73/478,729.98 = 235,574.70/x - Step 3: Cross multiply
319,847.73x = 478,729.98 × 235,574.70 - Step 4: Simplify right side
319,847.73x = 112,776,671,419.51 - Step 5: Solve for x
x = 112,776,671,419.51/319,847.73 - Step 6: Final answer
x = 352,594.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.