Finding the Fourth Proportional to 563,159.99, 777,154.56 and 305,030.54
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Solution
The fourth proportional to 563,159.99, 777,154.56 and 305,030.54 is: 420,938.77
Step by Step Solution
- Step 1: Write the proportion equation
563,159.99 : 777,154.56 = 305,030.54 : x - Step 2: Convert to fraction form
563,159.99/777,154.56 = 305,030.54/x - Step 3: Cross multiply
563,159.99x = 777,154.56 × 305,030.54 - Step 4: Simplify right side
563,159.99x = 237,055,875,100.26 - Step 5: Solve for x
x = 237,055,875,100.26/563,159.99 - Step 6: Final answer
x = 420,938.77
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1.5x scale
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.