Finding the Fourth Proportional to 472,726.09, 709,095.30 and 157,182.99
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Solution
The fourth proportional to 472,726.09, 709,095.30 and 157,182.99 is: 235,776.54
Step by Step Solution
- Step 1: Write the proportion equation
472,726.09 : 709,095.30 = 157,182.99 : x - Step 2: Convert to fraction form
472,726.09/709,095.30 = 157,182.99/x - Step 3: Cross multiply
472,726.09x = 709,095.30 × 157,182.99 - Step 4: Simplify right side
472,726.09x = 111,457,719,448.95 - Step 5: Solve for x
x = 111,457,719,448.95/472,726.09 - Step 6: Final answer
x = 235,776.54
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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.