Finding the Fourth Proportional to 307,848.93, 424,902.38 and 180,565.53
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Solution
The fourth proportional to 307,848.93, 424,902.38 and 180,565.53 is: 249,221.99
Step by Step Solution
- Step 1: Write the proportion equation
307,848.93 : 424,902.38 = 180,565.53 : x - Step 2: Convert to fraction form
307,848.93/424,902.38 = 180,565.53/x - Step 3: Cross multiply
307,848.93x = 424,902.38 × 180,565.53 - Step 4: Simplify right side
307,848.93x = 76,722,722,155.00 - Step 5: Solve for x
x = 76,722,722,155.00/307,848.93 - Step 6: Final answer
x = 249,221.99
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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.