Finding the Fourth Proportional to 310,698.18, 465,724.08 and 210,866.49
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Solution
The fourth proportional to 310,698.18, 465,724.08 and 210,866.49 is: 316,080.39
Step by Step Solution
- Step 1: Write the proportion equation
310,698.18 : 465,724.08 = 210,866.49 : x - Step 2: Convert to fraction form
310,698.18/465,724.08 = 210,866.49/x - Step 3: Cross multiply
310,698.18x = 465,724.08 × 210,866.49 - Step 4: Simplify right side
310,698.18x = 98,205,602,058.08 - Step 5: Solve for x
x = 98,205,602,058.08/310,698.18 - Step 6: Final answer
x = 316,080.39
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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.