Finding the Fourth Proportional to 384,772.84, 577,290.48 and 207,298.06
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Solution
The fourth proportional to 384,772.84, 577,290.48 and 207,298.06 is: 311,017.79
Step by Step Solution
- Step 1: Write the proportion equation
384,772.84 : 577,290.48 = 207,298.06 : x - Step 2: Convert to fraction form
384,772.84/577,290.48 = 207,298.06/x - Step 3: Cross multiply
384,772.84x = 577,290.48 × 207,298.06 - Step 4: Simplify right side
384,772.84x = 119,671,196,560.47 - Step 5: Solve for x
x = 119,671,196,560.47/384,772.84 - Step 6: Final answer
x = 311,017.79
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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.