Finding the Fourth Proportional to 563,237.60, 777,269.61 and 305,117.19
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Solution
The fourth proportional to 563,237.60, 777,269.61 and 305,117.19 is: 421,062.66
Step by Step Solution
- Step 1: Write the proportion equation
563,237.60 : 777,269.61 = 305,117.19 : x - Step 2: Convert to fraction form
563,237.60/777,269.61 = 305,117.19/x - Step 3: Cross multiply
563,237.60x = 777,269.61 × 305,117.19 - Step 4: Simplify right side
563,237.60x = 237,158,319,275.60 - Step 5: Solve for x
x = 237,158,319,275.60/563,237.60 - Step 6: Final answer
x = 421,062.66
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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.