Finding the Fourth Proportional to 398,946.63, 550,594.76 and 291,462.87
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Solution
The fourth proportional to 398,946.63, 550,594.76 and 291,462.87 is: 402,254.12
Step by Step Solution
- Step 1: Write the proportion equation
398,946.63 : 550,594.76 = 291,462.87 : x - Step 2: Convert to fraction form
398,946.63/550,594.76 = 291,462.87/x - Step 3: Cross multiply
398,946.63x = 550,594.76 × 291,462.87 - Step 4: Simplify right side
398,946.63x = 160,477,927,499.25 - Step 5: Solve for x
x = 160,477,927,499.25/398,946.63 - Step 6: Final answer
x = 402,254.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.