Finding the Fourth Proportional to 249,085.80, 373,628.70 and 235,307.70
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Solution
The fourth proportional to 249,085.80, 373,628.70 and 235,307.70 is: 352,961.55
Step by Step Solution
- Step 1: Write the proportion equation
249,085.80 : 373,628.70 = 235,307.70 : x - Step 2: Convert to fraction form
249,085.80/373,628.70 = 235,307.70/x - Step 3: Cross multiply
249,085.80x = 373,628.70 × 235,307.70 - Step 4: Simplify right side
249,085.80x = 87,917,710,050.99 - Step 5: Solve for x
x = 87,917,710,050.99/249,085.80 - Step 6: Final answer
x = 352,961.55
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1.5x scale
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.