Finding the Fourth Proportional to 617,681.70, 925,831.35 and 351,569.70
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Solution
The fourth proportional to 617,681.70, 925,831.35 and 351,569.70 is: 526,961.14
Step by Step Solution
- Step 1: Write the proportion equation
617,681.70 : 925,831.35 = 351,569.70 : x - Step 2: Convert to fraction form
617,681.70/925,831.35 = 351,569.70/x - Step 3: Cross multiply
617,681.70x = 925,831.35 × 351,569.70 - Step 4: Simplify right side
617,681.70x = 325,494,249,970.10 - Step 5: Solve for x
x = 325,494,249,970.10/617,681.70 - Step 6: Final answer
x = 526,961.14
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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.