Finding the Fourth Proportional to 164,038.98, 245,970.99 and 84,957.06
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Solution
The fourth proportional to 164,038.98, 245,970.99 and 84,957.06 is: 127,390.28
Step by Step Solution
- Step 1: Write the proportion equation
164,038.98 : 245,970.99 = 84,957.06 : x - Step 2: Convert to fraction form
164,038.98/245,970.99 = 84,957.06/x - Step 3: Cross multiply
164,038.98x = 245,970.99 × 84,957.06 - Step 4: Simplify right side
164,038.98x = 20,896,972,155.69 - Step 5: Solve for x
x = 20,896,972,155.69/164,038.98 - Step 6: Final answer
x = 127,390.28
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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.