Finding the Fourth Proportional to 157,569.30, 236,317.91 and 45,248.63
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Solution
The fourth proportional to 157,569.30, 236,317.91 and 45,248.63 is: 67,862.59
Step by Step Solution
- Step 1: Write the proportion equation
157,569.30 : 236,317.91 = 45,248.63 : x - Step 2: Convert to fraction form
157,569.30/236,317.91 = 45,248.63/x - Step 3: Cross multiply
157,569.30x = 236,317.91 × 45,248.63 - Step 4: Simplify right side
157,569.30x = 10,693,060,264.13 - Step 5: Solve for x
x = 10,693,060,264.13/157,569.30 - Step 6: Final answer
x = 67,862.59
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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.