Finding the Fourth Proportional to 658,823.96, 909,177.36 and 357,017.96
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Solution
The fourth proportional to 658,823.96, 909,177.36 and 357,017.96 is: 492,684.94
Step by Step Solution
- Step 1: Write the proportion equation
658,823.96 : 909,177.36 = 357,017.96 : x - Step 2: Convert to fraction form
658,823.96/909,177.36 = 357,017.96/x - Step 3: Cross multiply
658,823.96x = 909,177.36 × 357,017.96 - Step 4: Simplify right side
658,823.96x = 324,592,646,345.39 - Step 5: Solve for x
x = 324,592,646,345.39/658,823.96 - Step 6: Final answer
x = 492,684.94
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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.