Finding the Fourth Proportional to 490,437.70, 735,109.80 and 190,818.70
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Solution
The fourth proportional to 490,437.70, 735,109.80 and 190,818.70 is: 286,015.32
Step by Step Solution
- Step 1: Write the proportion equation
490,437.70 : 735,109.80 = 190,818.70 : x - Step 2: Convert to fraction form
490,437.70/735,109.80 = 190,818.70/x - Step 3: Cross multiply
490,437.70x = 735,109.80 × 190,818.70 - Step 4: Simplify right side
490,437.70x = 140,272,696,393.26 - Step 5: Solve for x
x = 140,272,696,393.26/490,437.70 - Step 6: Final answer
x = 286,015.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.