Finding the Fourth Proportional to 580,323.60, 870,385.14 and 153,862.38
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Solution
The fourth proportional to 580,323.60, 870,385.14 and 153,862.38 is: 230,766.99
Step by Step Solution
- Step 1: Write the proportion equation
580,323.60 : 870,385.14 = 153,862.38 : x - Step 2: Convert to fraction form
580,323.60/870,385.14 = 153,862.38/x - Step 3: Cross multiply
580,323.60x = 870,385.14 × 153,862.38 - Step 4: Simplify right side
580,323.60x = 133,919,529,157.03 - Step 5: Solve for x
x = 133,919,529,157.03/580,323.60 - Step 6: Final answer
x = 230,766.99
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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.