Finding the Fourth Proportional to 473,128.98, 652,547.79 and 303,378.90
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Solution
The fourth proportional to 473,128.98, 652,547.79 and 303,378.90 is: 418,425.50
Step by Step Solution
- Step 1: Write the proportion equation
473,128.98 : 652,547.79 = 303,378.90 : x - Step 2: Convert to fraction form
473,128.98/652,547.79 = 303,378.90/x - Step 3: Cross multiply
473,128.98x = 652,547.79 × 303,378.90 - Step 4: Simplify right side
473,128.98x = 197,969,230,727.63 - Step 5: Solve for x
x = 197,969,230,727.63/473,128.98 - Step 6: Final answer
x = 418,425.50
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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.