Finding the Fourth Proportional to 513,252.33, 708,315.14 and 309,368.04
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Solution
The fourth proportional to 513,252.33, 708,315.14 and 309,368.04 is: 426,944.12
Step by Step Solution
- Step 1: Write the proportion equation
513,252.33 : 708,315.14 = 309,368.04 : x - Step 2: Convert to fraction form
513,252.33/708,315.14 = 309,368.04/x - Step 3: Cross multiply
513,252.33x = 708,315.14 × 309,368.04 - Step 4: Simplify right side
513,252.33x = 219,130,066,564.13 - Step 5: Solve for x
x = 219,130,066,564.13/513,252.33 - Step 6: Final answer
x = 426,944.12
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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.