Finding the Fourth Proportional to 330,345.81, 495,537.48 and 93,669.75
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Solution
The fourth proportional to 330,345.81, 495,537.48 and 93,669.75 is: 140,509.95
Step by Step Solution
- Step 1: Write the proportion equation
330,345.81 : 495,537.48 = 93,669.75 : x - Step 2: Convert to fraction form
330,345.81/495,537.48 = 93,669.75/x - Step 3: Cross multiply
330,345.81x = 495,537.48 × 93,669.75 - Step 4: Simplify right side
330,345.81x = 46,416,871,867.23 - Step 5: Solve for x
x = 46,416,871,867.23/330,345.81 - Step 6: Final answer
x = 140,509.95
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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.