Finding the Fourth Proportional to 152,220.13, 210,058.62 and 84,239.98
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Solution
The fourth proportional to 152,220.13, 210,058.62 and 84,239.98 is: 116,248.32
Step by Step Solution
- Step 1: Write the proportion equation
152,220.13 : 210,058.62 = 84,239.98 : x - Step 2: Convert to fraction form
152,220.13/210,058.62 = 84,239.98/x - Step 3: Cross multiply
152,220.13x = 210,058.62 × 84,239.98 - Step 4: Simplify right side
152,220.13x = 17,695,333,947.63 - Step 5: Solve for x
x = 17,695,333,947.63/152,220.13 - Step 6: Final answer
x = 116,248.32
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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.