Finding the Fourth Proportional to 315,588.06, 473,386.28 and 105,226.07
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Solution
The fourth proportional to 315,588.06, 473,386.28 and 105,226.07 is: 157,840.49
Step by Step Solution
- Step 1: Write the proportion equation
315,588.06 : 473,386.28 = 105,226.07 : x - Step 2: Convert to fraction form
315,588.06/473,386.28 = 105,226.07/x - Step 3: Cross multiply
315,588.06x = 473,386.28 × 105,226.07 - Step 4: Simplify right side
315,588.06x = 49,812,574,943.26 - Step 5: Solve for x
x = 49,812,574,943.26/315,588.06 - Step 6: Final answer
x = 157,840.49
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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.