Finding the Fourth Proportional to 156,727.10, 235,130.43 and 72,547.99
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Solution
The fourth proportional to 156,727.10, 235,130.43 and 72,547.99 is: 108,840.40
Step by Step Solution
- Step 1: Write the proportion equation
156,727.10 : 235,130.43 = 72,547.99 : x - Step 2: Convert to fraction form
156,727.10/235,130.43 = 72,547.99/x - Step 3: Cross multiply
156,727.10x = 235,130.43 × 72,547.99 - Step 4: Simplify right side
156,727.10x = 17,058,240,084.34 - Step 5: Solve for x
x = 17,058,240,084.34/156,727.10 - Step 6: Final answer
x = 108,840.40
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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.