Finding the Fourth Proportional to 310,477.68, 465,275.48 and 239,130.48
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Solution
The fourth proportional to 310,477.68, 465,275.48 and 239,130.48 is: 358,356.03
Step by Step Solution
- Step 1: Write the proportion equation
310,477.68 : 465,275.48 = 239,130.48 : x - Step 2: Convert to fraction form
310,477.68/465,275.48 = 239,130.48/x - Step 3: Cross multiply
310,477.68x = 465,275.48 × 239,130.48 - Step 4: Simplify right side
310,477.68x = 111,261,548,864.63 - Step 5: Solve for x
x = 111,261,548,864.63/310,477.68 - Step 6: Final answer
x = 358,356.03
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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.